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Why have a gear sensor?  The purpose of a gear sensor is to protect your drive train from excessive power from a mid-drive motor while shifting a bike with a rear derailleur.  A normal cyclist is around 150 watts of human power and most drive trains

<div id="isPasted" style="box-sizing: border-box; margin-bottom: 15px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><span style="box-sizing: border-box;">Why have a gear sensor?&#xA0;</span><span style="box-sizing: border-box;">&#xA0;</span><span color="#3f3f3f" style="box-sizing: border-box; color: rgb(63, 63, 63);">The purpose of a gear sensor is to protect your drive train from excessive power from a mid-drive motor while shifting a bike with a rear derailleur. &#xA0;A normal cyclist is around 150 watts of human power and most drive trains are designed to handle a little more than that much power.</span></div><div style="box-sizing: border-box; margin-bottom: 15px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><span style="box-sizing: border-box;">But now add 450 to 750+ watts from a mid-drive motor to that which is equal to another 3-6 cyclists and you are way beyond what the drive train was intended be able to handle when the chain is across multiple cogs with only a few teeth on one of the gears. &#xA0;This is where a gear sensor comes in.</span></div><div style="box-sizing: border-box; margin-bottom: 15px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><br></div><div style="box-sizing: border-box; margin-bottom: 15px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><br></div><div style="box-sizing: border-box; margin-bottom: 15px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><br></div><div style="box-sizing: border-box; margin-bottom: 15px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><br></div><div style="box-sizing: border-box; margin-bottom: 15px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><br></div><div style="box-sizing: border-box; margin-bottom: 15px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><div style="box-sizing: border-box; text-align: start;"><img data-fr-image-pasted="true" src="https://cdn.shopify.com/s/files/1/0504/1356/8183/files/Screen_Shot_2021-06-10_at_6.27.51_AM_480x480.png?v=1623328090" alt="Close Up of Gear Shift Sensor" style="box-sizing: border-box; border: 0px none; max-width: 100%; height: auto;" class="fr-fic fr-dii"></div><div style="box-sizing: border-box; text-align: center;"><em style="box-sizing: border-box; font-style: italic;">Shift Sensor installed on a bike (the shift cable passes through it)</em></div><div style="box-sizing: border-box; text-align: center;"><br></div><div style="box-sizing: border-box; text-align: center;"><em style="box-sizing: border-box; font-style: italic;">&#xA0;</em></div><div style="box-sizing: border-box; text-align: center;"><br></div><div style="box-sizing: border-box; text-align: start;"><br></div><div style="box-sizing: border-box; text-align: start;"><a style="box-sizing: border-box; color: var(--colorLink); text-decoration: none; background: transparent; border-bottom: 1px solid rgba(0, 0, 0, 0.15); position: relative; display: inline-block;">It detects that you are shifting and cuts power to the motor for about an .8 of a second. This is long enough for the shift to complete before the power comes back on.</a></div></div><div style="box-sizing: border-box; margin-bottom: 15px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><br style="box-sizing: border-box;"><strong style="box-sizing: border-box; font-weight: 700;">How does a gear sensor work?&#xA0;</strong><span style="box-sizing: border-box;">&#xA0;To install the gear sensor you actually pass the shift cable through the gear sensor. &#xA0;When the gear sensor detects cable movement, it sends a signal to the motor to stop for 800ms. &#xA0;All Bafang mid-drive motors from Electrify Bike Co have a gear sensor cable coming from the motor controller so they are gear-sensor ready. If your motor does not have this cable you can hook the gear sensor up to a brake sensor cable instead. &#xA0;Although this does work brake sensors shut the motor off for a minimum of about 2 seconds instead of .8 seconds. &#xA0;This can be a bit of a nuisance to have the motor off for that long of a time.</span><br style="box-sizing: border-box;"><br style="box-sizing: border-box;"><span color="#3f3f3f" style="box-sizing: border-box; color: rgb(63, 63, 63);"><strong style="box-sizing: border-box; font-weight: 700;">I have a hub motor. Do I need a gear (shift) sensor?</strong>&#xA0; If you have a hub motor you do not need a shift sensor since the hub motor does not use the drive train.</span><br style="box-sizing: border-box;"><br style="box-sizing: border-box;"><strong style="box-sizing: border-box; font-weight: 700;">I have a rear derailleur with a Bafang mid-drive motor. Do I need a gear (shift) sensor? &#xA0;</strong><span color="#3f3f3f" style="box-sizing: border-box; color: rgb(63, 63, 63);">Since you have to pedal through the shift on a rear derailleur drive train the motor will be on the whole time your are shifting. &#xA0;If you happen to be in a mid to high level of motor assistant you could be putting upwards of 450 watts through the drive train. With a BBS02 or BBSHD this could be more than 1000 watts. This is where the shift sensor is critical. If you have a mid-drive that is under 400 watts or you only shift in levels of assistance that are under 400 watts then you might get by without one.</span></div><div style="box-sizing: border-box; margin-bottom: 15px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><br></div><div style="box-sizing: border-box; margin-bottom: 15px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><span color="#3f3f3f" style="box-sizing: border-box; color: rgb(63, 63, 63);"><img data-fr-image-pasted="true" src="https://cdn.shopify.com/s/files/1/0504/1356/8183/files/gear-sensor-2_480x480.jpg?v=1623328144" alt="Close up of new Gear Shift Sensor" style="box-sizing: border-box; border: 0px none; max-width: 100%; height: auto;" class="fr-fic fr-dii"></span></div><div style="box-sizing: border-box; margin-bottom: 15px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><div style="box-sizing: border-box;"><div style="box-sizing: border-box; text-align: center;"><em style="box-sizing: border-box; font-style: italic;">Gear shift sensor for a mid-drive motor</em></div><div style="box-sizing: border-box; text-align: center;"><br></div><div style="box-sizing: border-box; text-align: center;"><em style="box-sizing: border-box; font-style: italic;">&#xA0;</em></div><div style="box-sizing: border-box; text-align: center;"><br></div><div style="box-sizing: border-box;"><br></div><div style="box-sizing: border-box;"><br></div></div></div><div style="box-sizing: border-box; margin-bottom: 0px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><strong style="box-sizing: border-box; font-weight: 700;">I have an internal gear hub (IGH). Do I need a gear (shift) sensor with my mid-drive motor? &#xA0;</strong><span style="box-sizing: border-box;">If you have an internal gear hub like a 3-speed or 5-speed Shimano, you probably do not need a gear sensor since you are supposed to stop pedaling when you shift an IGH anyway. &#xA0;When you stop pedaling the motor will stop and you can shift. Start pedaling again and the motor will come back on.</span> Some motors have a slight delay after you stop pedaling before the motor shuts off so you should wait until it stops before shifting. Electrify Bike Co. reprograms all of our mid-drive motors to cut off instantaneously when you stop pedaling so this is rarely an issue. Some still prefer the instantaneous cutoff of a shift sensor but there is lag before the motor comes back on so it is a trade-off.<br style="box-sizing: border-box;"><br style="box-sizing: border-box;"><strong style="box-sizing: border-box; font-weight: 700;">I have a torque-sensing mid-drive motor. Do I need a gear sensor? &#xA0;</strong><span color="#3f3f3f" style="box-sizing: border-box; color: rgb(63, 63, 63);">If you have a torque-sensing motor like the CYC Photon or TSDZ2 then you do not need a gear sensor. Because the motor responds to the amount of torque you are applying to the pedals, you can simply ease off a bit when you pedal through the shift and the power will ease off as well. &#xA0;If you need to be able to shift when pedaling hard with a torque-sensing motor then you may still want one. Since torque-sensing motors do not have direct support for a gear sensor, it must be hooked up to a brake sensor. The problem with this is that instead of 800ms the brake sensor cuts power for 1500 - 2000ms which can feel like an excessive amount of time to lose power. &#xA0;But it does work!</span></div>

Do I Need a Gear Shift Sensor?

Mid-drive motor kits mount in the bottom bracket of your bicycle.  They are designed for a standard threaded 68/73mm bottom bracket but if yours is different chances are there is an adapter you can use to make it work.  BBSHD, BBS02 and TSDZ2 mid-dri

<div id="isPasted" style="box-sizing: border-box; margin-bottom: 15px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-align: right;"><span color="#2a2a2a" style="box-sizing: border-box; color: rgb(42, 42, 42);"><span color="#2a2a2a" style="box-sizing: border-box; color: rgb(42, 42, 42);"><img data-fr-image-pasted="true" src="https://cdn.shopify.com/s/files/1/0504/1356/8183/files/how-fit-bottom-bracket-step1.jpg?v=1623329024" width="286" height="147" alt="Close up of Bottom Bracket of Electrify Bike" style="box-sizing: border-box; border: 0px none; max-width: 100%; height: auto;" class="fr-fic fr-dii"></span></span></div><div style="box-sizing: border-box; margin-bottom: 15px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-align: right;"><br></div><div style="box-sizing: border-box; margin-bottom: 15px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-align: left;">Mid-drive motor kits mount in the bottom bracket of your bicycle. &#xA0;They are designed for a standard threaded 68/73mm bottom bracket but if yours is different chances are there is an adapter you can use to make it work. &#xA0;BBSHD, BBS02 and TSDZ2 mid-drive motors all mount in a threaded bottom bracket.</div><div style="box-sizing: border-box; margin-bottom: 15px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><br></div><div style="box-sizing: border-box; margin-bottom: 15px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><span color="#2a2a2a" style="box-sizing: border-box; color: rgb(42, 42, 42);">The bottom bracket is where the bearings for the cranks that your pedals attach to are located. &#xA0;To install a mid-drive motor you remove the cranks and bottom bracket spindle and bearings. &#xA0;The mid-drive motor then slides into the bottom bracket shell and replaces all of that except for the pedals. &#xA0;Before 2013 most bottom brackets were the BSA/JIT English threaded standard. &#xA0;This is still the most popular type and is the type that mid-drive motors are designed for. Most bikes that originally sold for less than $1500 or are older than 2013 have English threaded bottom brackets and the motors will slide right in. If you have a square tapered spindle for your cranks then you have the required threaded bottom bracket.<br style="box-sizing: border-box;"><br style="box-sizing: border-box;">Around 2012 many higher-end bikes started being fitted with various press-fit bottom brackets many of which can be adapted to English threaded so you can still do a mid-drive motor conversion on them. However, there are some exceptions. For an in depth article on adapting various bottom brackets and the exceptions see <span style="box-sizing: border-box; color: rgb(88, 210, 71);"><a href="https://endless-sphere.com/forums/viewtopic.php?f=28&amp;t=80319" rel="noopener noreferrer" style="box-sizing: border-box; color: rgb(88, 210, 71); text-decoration: none; background: transparent; border-bottom: 1px solid rgba(0, 0, 0, 0.15); position: relative; display: inline-block;" target="_blank">this thorough article by Matt Hughes</a></span></span><br style="box-sizing: border-box;"><span style="box-sizing: border-box;"><br style="box-sizing: border-box;">Electrify Bike Company carries threaded one piece adapters for 68 &amp; 73mm BB30, 68 &amp;73mm PF30. &#xA0;We also carry a 2 piece BB30 and PF30 for wider bottom brackets that use those standards. &#xA0;We also stock a 2 piece PF41/BB92 that works with a variety of bottom bracket widths that use that standard.</span></div><div style="box-sizing: border-box; margin-bottom: 15px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><br></div><div style="box-sizing: border-box; margin-bottom: 15px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><div style="box-sizing: border-box;"><div style="box-sizing: border-box;"><div style="box-sizing: border-box; max-width: 100%; overflow: auto;"><table height="238" style="box-sizing: border-box; width: 551px; border-spacing: 1px; position: relative; border: 0px none; background: var(--colorBorder); margin-bottom: 0px; table-layout: fixed;"><tbody style="box-sizing: border-box;"><tr style="box-sizing: border-box;"><td style="box-sizing: border-box; border: 0px none; text-align: left; padding: 10px 15px; background: var(--colorBody); width: 253.031px;"><div style="box-sizing: border-box;"><div style="box-sizing: border-box; text-align: start;"><img data-fr-image-pasted="true" src="https://cdn.shopify.com/s/files/1/0504/1356/8183/files/fsa-bb30-73mm-to-bsa-adapter_orig.jpg?v=1623329221" alt="Close up of Threaded One Piece Adapters" width="222" height="206" style="box-sizing: border-box; border: 0px none; max-width: 100%; height: auto;" class="fr-fic fr-dii"><a style="box-sizing: border-box; color: var(--colorLink); text-decoration: none; background: transparent; border-bottom: 1px solid rgba(0, 0, 0, 0.15); position: relative; display: inline-block;"><br style="box-sizing: border-box;"></a><div style="box-sizing: border-box;"><br></div></div></div></td><td style="box-sizing: border-box; border: 0px none; text-align: left; padding: 10px 15px; background: var(--colorBody); width: 281.969px;"><div style="box-sizing: border-box;"><div style="box-sizing: border-box; text-align: start;"><img data-fr-image-pasted="true" src="https://cdn.shopify.com/s/files/1/0504/1356/8183/files/s-l1600_orig.jpg?v=1623329244" alt="Close up of Bottom Bracket Cap Off" width="250" height="187" style="box-sizing: border-box; border: 0px none; max-width: 100%; height: auto;" class="fr-fic fr-dii"><a style="box-sizing: border-box; color: var(--colorLink); text-decoration: none; background: transparent; border-bottom: 1px solid rgba(0, 0, 0, 0.15); position: relative; display: inline-block;"><br style="box-sizing: border-box;"></a><div style="box-sizing: border-box;"><br></div></div></div></td></tr></tbody></table></div></div></div></div><div style="box-sizing: border-box; margin-bottom: 15px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><br></div><div style="box-sizing: border-box; margin-bottom: 0px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><span style="box-sizing: border-box;">Some newer bikes and almost all fat tire bikes use a bottom bracket that is wider than the 68/73mm standard. &#xA0;In this case only the BBSHD comes in wider widths to accommodate this &#xA0;EBC stocks the BBSHD in 68/73mm, 100mm, and 120mm. &#xA0;Other widths can be accommodated with these 3 types by using bottom bracket spacers when required. &#xA0;TSDZ2 and BBS02 motors have after market extensions available for them to allow them to fit wider bottom brackets but these can be very difficult to install.</span><br style="box-sizing: border-box;"><br style="box-sizing: border-box;"><span color="#2a2a2a" style="box-sizing: border-box; color: rgb(42, 42, 42);">If you have an older style Schwinn or cruiser bike with a one piece crank and American style bottom brackets we have something for you as well. Give us a call.</span><br style="box-sizing: border-box;"><br style="box-sizing: border-box;"><strong style="box-sizing: border-box; font-weight: 700;"><span color="#2a2a2a" style="box-sizing: border-box; color: rgb(42, 42, 42);">Installation tips:</span></strong><br style="box-sizing: border-box;"><span color="#2a2a2a" style="box-sizing: border-box; color: rgb(42, 42, 42);">We recommend using sleeve Loctite like Loctite 641 when installing the adapter into your press-fit bottom bracket. &#xA0;This is like thread lock but is specifically for sleeve inserts like these adapters.</span><br style="box-sizing: border-box;">The 2-piece adapters can be tapped in with a soft mallet. Tap all the way around and ensure that it goes in straight. A bottom bracket press can also be used. For the one piece adapter we recommend using a bottom bracket press. Ensure that it does not get crooked or it can bind up and be very difficult to straighten up or remove. If you do not have access to a bottom bracket press you can make one with hardware available at a hardware store. An example can be found on<span style="box-sizing: border-box;">&#xA0;</span><span style="box-sizing: border-box; color: rgb(88, 210, 71);"><a href="https://www.youtube.com/watch?v=4CckuwvipcM" rel="noopener noreferrer" style="box-sizing: border-box; color: rgb(88, 210, 71); text-decoration: none; background: transparent; border-bottom: 1px solid rgba(0, 0, 0, 0.15); position: relative; display: inline-block;" target="_blank">YouTube here</a></span>.</div>

Do I Need a Bottom Bracket Adapter?

With a mid-drive motor you may have fewer gearsThe front sprocket by the pedals is called a chainring.  With a mid-drive motor you take off your front chainring(s) with the cranks and bottom bracket and slide in the motor with its own chainring.  If

What Size Chainring do I Need?

The 3 most important factors in choosing a battery:1. Trusted brand.  18650 and the newer 21700 Lithium Ion cells are by far the most popular cells found in ebike batteries.  This is because the energy density is very high and they are being manufact

<div id="isPasted" style="box-sizing: border-box; margin-bottom: 15px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><span color="#3f3f3f" style="box-sizing: border-box; color: rgb(63, 63, 63);"><strong style="box-sizing: border-box; font-weight: 700;">The 3 most important factors in choosing a battery:</strong></span><br style="box-sizing: border-box;"><br style="box-sizing: border-box;"><span style="box-sizing: border-box;"><strong style="box-sizing: border-box; font-weight: 700;">1. Trusted brand.&#xA0;</strong> 18650 and the newer 21700 Lithium Ion cells are by far the most popular cells found in ebike batteries. &#xA0;This is because the energy density is very high and they are being manufactured in huge quantities. &#xA0;They are being used everywhere including electric cars like Teslas. &#xA0;There are many cheap lithium ion cells that don&apos;t last and can be very dangerous especially in the quantities found in ebike battery packs. &#xA0;It is not uncommon for an ebike battery to have over 50 18650 or 21700 cells. All it takes is one bad cell to destroy a pack and create a fire hazard. &#xA0;This is why the manufacturer of the cells is extremely important.&#xA0;</span></div><div style="box-sizing: border-box; margin-bottom: 15px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><span style="box-sizing: border-box;">&#xA0;</span></div><div style="box-sizing: border-box; margin-bottom: 15px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><div style="box-sizing: border-box;"><div style="box-sizing: border-box;"><div style="box-sizing: border-box; max-width: 100%; overflow: auto;"><table style="box-sizing: border-box; width: 920px; border-spacing: 1px; position: relative; border: 0px none; background: var(--colorBorder); margin-bottom: 0px; table-layout: fixed;"><tbody style="box-sizing: border-box;"><tr style="box-sizing: border-box;"><td style="box-sizing: border-box; border: 0px none; text-align: left; padding: 10px 15px; background: var(--colorBody);"><div style="box-sizing: border-box;"><div style="box-sizing: border-box; text-align: start;"><img data-fr-image-pasted="true" src="https://cdn.shopify.com/s/files/1/0504/1356/8183/files/samsung-inr-18650-35e-8a-3500mah-battery-grande_480x480.jpg?v=1623328542" alt="Close up of small Lithium Ion Batteries" width="260" height="260" style="box-sizing: border-box; border: 0px none; max-width: 100%; height: auto;" class="fr-fic fr-dii"><br style="box-sizing: border-box;"><div style="box-sizing: border-box;"><br></div></div></div></td><td style="box-sizing: border-box; border: 0px none; text-align: left; padding: 10px 15px; background: var(--colorBody);"><div style="box-sizing: border-box;"><span style="box-sizing: border-box;">Brands like Samsung, Panasonic, Sanyo, LG are all excellent brands with excellent process and quality control. &#xA0;You can&apos;t go wrong with any of these brands. &#xA0;However, know your source. &#xA0;There are knockoffs with the brand names printed on the cases so buy from someone you trust or that have a good reputation and others trust.</span></div></td></tr></tbody></table></div></div></div></div><div style="box-sizing: border-box; margin-bottom: 15px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><br></div><div style="box-sizing: border-box; margin-bottom: 15px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><strong style="box-sizing: border-box; font-weight: 700;">2. Power &amp; Capacity.</strong>&#xA0; How many volts? &#xA0;How many Amps? &#xA0;How many amp hours? &#xA0;Without getting into how cells are made into battery packs if you know the answer to the first 3 questions you can calculate watts and watt hours which are the 2 most useful numbers. &#xA0;We use 52 volt packs everywhere we can and only sell motors that can support them. &#xA0;52 volts is like 48 volts after morning coffee. &#xA0;It packs a little more punch and gets a little more speed out of your motor. &#xA0;However, if you are not using the speed or power the extra volts transfer directly into increased range. &#xA0;How does that work? It is simple math. &#xA0;Volts x amps = watts. &#xA0;Watts equals power. &#xA0;Volts x amp hours = watt hours. &#xA0;Watt hours = capacity or range. &#xA0;Think of watt hours as how much gas you have in the tank and think of watts as how much power it can put out. &#xA0;If you have a 2000 watt battery supplying a 750 watt motor but you are only asking it for 250 watts on your ride you have plenty of reserve power and your battery and motor will run cool. &#xA0;If that battery happens to have 750 watt hours of capacity it will be able to power the bike for 3 hours at 250 watts. &#xA0;3 hours x 250 watts = 750 watt hours. &#xA0;If you were going 20 miles an hour that would mean your range was 60 miles. &#xA0;See! &#xA0;Simple math.<br style="box-sizing: border-box;"><br style="box-sizing: border-box;"><strong style="box-sizing: border-box; font-weight: 700;">3. How big?</strong>&#xA0; We always ask our customers 3 questions. &#xA0;What is your average ride in miles? &#xA0;What is your longest ride? &#xA0;How many miles per week do you ride? &#xA0;This gives us a pretty good feel for the best battery options. &#xA0;If your longest ride is fairly frequent then you should pick a battery with that much range. &#xA0;If however, the long rides are infrequent you many want to think twice about adding that weight to your bike for all of your shorter rides as well. &#xA0;Sometimes it makes sense to get a smaller battery that will handle 90% or more of your rides and then get a second one to throw in your pack when you take longer rides or just want to know you have a spare tank. &#xA0;Our most popular battery is the <span style="box-sizing: border-box; color: rgb(88, 210, 71);"><a href="https://electrifybike.com/collections/batteries/products/52v-40-amp-14ah-super-shark-e-bike-battery" style="box-sizing: border-box; color: rgb(88, 210, 71); text-decoration: none; background: transparent; border-bottom: 1px solid rgba(0, 0, 0, 0.15); position: relative; display: inline-block;"><u style="box-sizing: border-box;">52v 14ah Super Shark</u></a></span>. &#xA0;This is our 25 to 50 mile battery. &#xA0;It is 728 watt hours and mounts on the down tube on water bottle mounts. &#xA0;It fits in most bike frames but if it won&apos;t it can sometimes be put on the bottom of the down tube or on the rear rack. &#xA0;A step up for those that need even more range is the <span style="box-sizing: border-box; color: rgb(88, 210, 71);"><a href="https://electrifybike.com/products/52v-40-amp-17-5-ah-jumbo-shark-e-bike-battery-1?_pos=1&amp;_sid=c015fcf18&amp;_ss=r" style="box-sizing: border-box; color: rgb(88, 210, 71); text-decoration: none; background: transparent; border-bottom: 1px solid rgba(0, 0, 0, 0.15); position: relative; display: inline-block;"><u style="box-sizing: border-box;">52v 20ah &#xA0;Jumbo Shark</u></a></span><a href="https://71997787-263235063426757404.preview.editmysite.com/store/p103/52v_40-AMP_17.5_Ah_Jumbo_Shark_E-bike_Battery_.html" style="box-sizing: border-box; color: var(--colorLink); text-decoration: none; background: transparent; border-bottom: 1px solid rgba(0, 0, 0, 0.15); position: relative; display: inline-block;">.</a>&#xA0; We call this our 35 to 70 mile battery. &#xA0;It is 1040 watt hours and mounts just like the Super Shark. &#xA0;Our largest Shark battery is the&#xA0;<span style="box-sizing: border-box; color: rgb(88, 210, 71);"><a href="https://www.electrifybike.com/products/52v-50amp-10ah-samsung-21700-50s-mini-max-e-bike-battery" style="box-sizing: border-box; color: rgb(88, 210, 71); text-decoration: none; background: transparent; border-bottom: 1px solid rgba(0, 0, 0, 0.15); position: relative; display: inline-block;"><span style="box-sizing: border-box; text-decoration: underline;">52v 25ah Mega Shark</span></a></span>. This is our 45-90 mile battery. For those that want to keep it light and most of their rides are under 25 miles, we have our <span style="box-sizing: border-box; text-decoration: underline;"><span style="box-sizing: border-box; color: rgb(88, 210, 71); text-decoration: underline;"><a href="https://electrifybike.com/products/52v-30amp-6ah-samsung-30q-lithium-mini-cube-e-bike-battery?_pos=4&amp;_sid=86057c820&amp;_ss=r" style="box-sizing: border-box; color: rgb(88, 210, 71); text-decoration: underline; background: transparent; border-bottom: 1px solid rgba(0, 0, 0, 0.15); position: relative; display: inline-block;">52v 5</a>0 amp 10ah Mini-Max</span></span> battery that fits in a saddle bag under the seat.</div><div style="box-sizing: border-box; margin-bottom: 0px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><div style="box-sizing: border-box;"><div style="box-sizing: border-box;"><div style="box-sizing: border-box; max-width: 100%; overflow: auto;"><table style="box-sizing: border-box; width: 551px; border-spacing: 1px; position: relative; border: 0px none; background: var(--colorBorder); margin-bottom: 0px; table-layout: fixed; margin-left: auto; margin-right: auto;"><tbody style="box-sizing: border-box;"><tr style="box-sizing: border-box; height: 227px;"><td style="box-sizing: border-box; border: 0px none; text-align: left; padding: 10px 15px; background: var(--colorBody); width: 268.984px; height: 227px;"><div style="box-sizing: border-box;"><div style="box-sizing: border-box; text-align: start;"><img data-fr-image-pasted="true" src="https://cdn.shopify.com/s/files/1/0504/1356/8183/files/electric-bike-battery-with-reention-tigershark-atlas-f185ab06-3bb9-445d-a86d-c1bc16f88b16-x700_orig_480x480.jpg?v=1623328604" alt="52v 17.5ah Panasonic Jumbo Shark" width="317" height="299" style="box-sizing: border-box; border: 0px none; max-width: 100%; height: auto;" class="fr-fic fr-dii"><br style="box-sizing: border-box;"><div style="box-sizing: border-box;"><br></div></div></div></td><td style="box-sizing: border-box; border: 0px none; text-align: left; padding: 10px 15px; background: var(--colorBody); width: 146.016px; height: 227px;"><div style="box-sizing: border-box;"><div style="box-sizing: border-box; text-align: center;"><img data-fr-image-pasted="true" src="https://cdn.shopify.com/s/files/1/0504/1356/8183/files/s-l500-x700_orig_480x480.jpg?v=1623328638" alt="52v Samsung Mini-cube" width="323" height="218" style="box-sizing: border-box; border: 0px none; max-width: 100%; height: auto;" class="fr-fic fr-dii"><br style="box-sizing: border-box;"><div style="box-sizing: border-box;"><br></div></div></div></td><td style="box-sizing: border-box; border: 0px none; text-align: left; padding: 10px 15px; background: var(--colorBody); width: 112px; height: 227px;"><div style="box-sizing: border-box;"><div style="box-sizing: border-box; text-align: start;"><img data-fr-image-pasted="true" src="https://cdn.shopify.com/s/files/1/0504/1356/8183/files/ebc-mini-cube-battery_orig_480x480.jpg?v=1623328658" alt="Mini Cube Battery" width="370" height="277" style="box-sizing: border-box; border: 0px none; max-width: 100%; height: auto;" class="fr-fic fr-dii"></div></div></td></tr></tbody></table></div></div></div></div>

Picking the Right Ebike Battery

This is a common question many ask when they encounter 52v batteries while looking at a 48v ebike conversion motor kit. Can you safely use a 52v battery on a 48v motor? The answer is yes, almost always. Let's take a look at why choosing a 52v battery

<p id="isPasted" style="box-sizing: border-box; margin: 0px 0px 25px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><span style="box-sizing: border-box; font-weight: 400;">This is a common question many ask when they encounter 52v batteries while looking at a 48v ebike conversion motor kit. Can you safely use a 52v battery on a 48v motor? The answer is yes, almost always. Let&apos;s take a look at why choosing a 52v battery is&#xA0;a good thing and not a cause for concern.</span></p><p style="box-sizing: border-box; margin: 0px 0px 25px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><strong style="box-sizing: border-box; font-weight: 700;">The advantages of 52v batteries:</strong></p><ol style="box-sizing: border-box; margin: 0px 0px 25px 30px; padding: 0px; text-rendering: optimizelegibility; list-style: decimal; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><li style="box-sizing: border-box; margin-bottom: 0px; font-weight: 400;"><span style="box-sizing: border-box; font-weight: 400;">52v batteries are faster. Increased voltage means increased motor RPM, and your motor will spin more quickly as the voltage increases. If you need a little extra speed or power, you&#x2019;ve got it.</span></li><li style="box-sizing: border-box; margin-bottom: 0px; font-weight: 400;"><span style="box-sizing: border-box; font-weight: 400;">52v batteries are more powerful. Higher volts translate to higher watts, increasing your power for climbing hills and riding into headwinds.</span></li><li style="box-sizing: border-box; margin-bottom: 0px; font-weight: 400;"><span style="box-sizing: border-box; font-weight: 400;">You get more range if you&apos;re not using that extra power for speed. You simply go further before requiring a recharge, and 52v is your best option for a more extended range on one charge.</span></li></ol><p style="box-sizing: border-box; margin: 0px 0px 25px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><strong style="box-sizing: border-box; font-weight: 700;">The advantages of 48v batteries:</strong></p><ol style="box-sizing: border-box; margin: 0px 0px 25px 30px; padding: 0px; text-rendering: optimizelegibility; list-style: decimal; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><li style="box-sizing: border-box; margin-bottom: 0px; font-weight: 400;"><span style="box-sizing: border-box; font-weight: 400;">It&#x2019;s a few ounces lighter and not enough to matter. They are both typically the same size.</span></li><li style="box-sizing: border-box; margin-bottom: 0px; font-weight: 400;"><span style="box-sizing: border-box; font-weight: 400;">Cheaper. Sometimes a little, but usually not at all.</span></li><li style="box-sizing: border-box; margin-bottom: 0px; font-weight: 400;"><span style="box-sizing: border-box; font-weight: 400;">It&#x2019;s necessary for some controllers and motors. However, most of the 48v controllers and motors available today can also use 52v batteries.</span></li></ol><div style="box-sizing: border-box; margin-bottom: 15px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-align: center;"><img data-fr-image-pasted="true" src="https://cdn.shopify.com/s/files/1/0504/1356/8183/files/electric-bike-battery-with-REENTION-TIGERSHARK-ATLAS_x700_5c0a63be-e70e-4b51-a1c3-b0c9ec9427a9_480x480.jpg?v=1663477376" alt="48v" width="244" height="230" style="box-sizing: border-box; border: 0px none; max-width: 100%; height: auto;" class="fr-fil fr-dii"></div><div style="box-sizing: border-box; margin-bottom: 15px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-align: center;"><img data-fr-image-pasted="true" src="https://cdn.shopify.com/s/files/1/0504/1356/8183/files/electric-bike-battery-with-REENTION-TIGERSHARK-ATLAS_x700_5c0a63be-e70e-4b51-a1c3-b0c9ec9427a9_480x480.jpg?v=1663477376" alt width="240" height="226" style="box-sizing: border-box; border: 0px none; max-width: 100%; height: auto;" class="fr-fic fr-dii"></div><p style="box-sizing: border-box; margin: 0px 0px 25px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-align: center;"><strong style="box-sizing: border-box; font-weight: 700;">They both look the same but one has 4 more cells and that much more capacity and power.</strong></p><p style="box-sizing: border-box; margin: 0px 0px 25px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><span style="box-sizing: border-box; font-weight: 400;">Takeaway: It&apos;s simple; you get more power and range with a 52v battery than with a 48V battery. With more power for climbing hills, accelerating faster, and more capacity for going farther, 52v batteries have the advantage.</span></p><p style="box-sizing: border-box; margin: 0px 0px 25px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><strong style="box-sizing: border-box; font-weight: 700;">When is a 48v battery required?</strong></p><p style="box-sizing: border-box; margin: 0px 0px 25px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><span style="box-sizing: border-box; font-weight: 400;">Some motors and controllers are indeed rated as 48v, making some people nervous about putting a higher voltage battery on them. &#xA0;Occasionally this concern is valid, and as mentioned above, the motor or controller only works with a 48v battery. &#xA0;However, if the company you are buying it from sells a 52v battery with a 48v motor, that means they know it works, and in our experience, it probably works better.</span></p><p style="box-sizing: border-box; margin: 0px 0px 25px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><strong style="box-sizing: border-box; font-weight: 700;">52v batteries and Electrify Bike Company</strong></p><p style="box-sizing: border-box; margin: 0px 0px 25px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><span style="box-sizing: border-box; font-weight: 400;">We have sold thousands of 52v batteries on 48v motors and have had better results than with 48v batteries. &#xA0;Hence we sell 52v batteries 10 to 1 over 48v batteries. &#xA0;<a href="https://www.electrifybike.com/collections/52v-Batteries" style="box-sizing: border-box; color: var(--colorLink); text-decoration: none; background: transparent; border-bottom: 1px solid rgba(0, 0, 0, 0.15); position: relative; display: inline-block;">Here is a sampling of the 52v batteries we sell.</a> When paired with a 52v battery, all the motors we sell have all the above advantages.&#xA0;</span></p><p style="box-sizing: border-box; margin: 0px 0px 25px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><span style="box-sizing: border-box; font-weight: 400;">52v batteries have performance benefits over 48v batteries, and the increased capacity and power allow you to go longer distances faster.</span></p><p style="box-sizing: border-box; margin: 0px 0px 25px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><strong style="box-sizing: border-box; font-weight: 700;">Deeper Dive</strong></p><p style="box-sizing: border-box; margin: 0px 0px 25px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><span style="box-sizing: border-box; font-weight: 400;">The preceding discussion is the simple version of why 52v batteries are a good choice. If you would like to dive a little deeper (but not a lot), keep reading. &#xA0;Does that mean 48v batteries and other batteries are a bad choice? No. The truth is a lot more complicated, and there are reasons engineers design electric bikes with 36v, 48v, 52v, 60v, and 72v batteries. So, if 52v batteries are better than 48v batteries, does it follow that 60v batteries are better than 52v? &#xA0;Once again, no, and the reason is more complicated. 52v batteries hit the sweet spot on several fronts. It turns out that most 48v and 52v controllers have electronic components that max out between 60v and 64v. Higher voltages will burn them out. &#xA0;That is why it is safe for 48v controllers to tolerate voltages up to 60v. &#xA0;52v batteries have a maximum voltage with a full charge of 58.8v, so this is a safe voltage for the components in a 48v controller. &#xA0;Motors are even more tolerant. They just spin faster, given higher voltages. On the other hand, a 60v battery charges up to 67.2v, which would burn out many of the critical components in a 48v or 52v controller.</span></p><p style="box-sizing: border-box; margin: 0px 0px 25px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">If 48v is slower than 52v, wouldn&#x2019;t 36v be super slow? A motor designed to run with 36v will not be slower. Engineers have another way to determine the speed of the motor. The number of windings in the stator sets the rpm of the motor at a given voltage. Fewer windings in the motor stator cause the motor to spin faster, while more windings spin slower. A 36v motor and a 48v motor can have the same speed by adjusting the number of windings. &#xA0;However, if you apply 48v to the 36v motor, it will spin much faster but have less torque. &#xA0;Some DIYers do this deliberately to get a faster ebike, but you must know what you are doing because it is possible for the motor to overheat because of the amps required to get the torque necessary to move the bike.</p><p style="box-sizing: border-box; margin: 0px 0px 25px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><span style="box-sizing: border-box; font-weight: 400;">So to circle back to 52v vs. 48v batteries, should we be leery of getting a 48v system to spin faster? Remember that we said 52v was in the sweet spot? It is only a few volts higher than 48v batteries and is within the safe zone for motor and controller components. You can use the extra cells in a 52v pack for a bump in power and speed, or if you take it easy, those extra cells will simply give you more range.</span></p><p style="box-sizing: border-box; margin: 0px 0px 25px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><strong style="box-sizing: border-box; font-weight: 700;">Dual battery</strong></p><p style="box-sizing: border-box; margin: 0px; color: rgb(0, 0, 0); font-family: Futura, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: 0.4px; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><span style="box-sizing: border-box; font-weight: 400;">When someone wants a second battery on a 48v ebike, we often recommend a 52v battery tied together with a&#xA0;<a href="https://www.electrifybike.com/products/dual-battery-module-40-100v-120a" style="box-sizing: border-box; color: var(--colorLink); text-decoration: none; background: transparent; border-bottom: 1px solid rgba(0, 0, 0, 0.15); position: relative; display: inline-block;"><span style="box-sizing: border-box; text-decoration: underline;">dual battery module</span></a> to the original 48v battery. &#xA0;It works well because there is a considerable voltage overlap between 52v and 48v batteries. 52v batteries range from a full 58.8v down to an empty 42v. In comparison, 48v batteries run from a full 54.6v down to an empty 41v. So the voltage overlap between them is from 54.6v on the high end to 42v on the low end. The dual battery module will use the 52v battery from its full charge at 58.8v down to 54.6v. At that time, it will tie both batteries together, providing the total amps of both batteries to the motor while the two batteries go from 54.6v down to 42v when they are empty. This process also happens when two 48v or two 52v batteries are tied together with a dual battery module, and the two batteries have different charge levels.</span></p>