This item is in the category Sporting Goods\Cycling\Bike Components & Parts\Electric Bike Components. L-faster 450w newest electric bike left drive conversion kit can fit most of please see above video before you order this item. 1x Wuxing thumb throttle (with battery indicator & switch button) Motor with freewheel (with this freewheel, when you step pedal without motor power, the motor will not rotate, so reduce drag) Features.