Description The Bafang 36V BBS02 500w is focused at performance off-road or high load applications, eg cargo bikes. High torque 500w mid drive motor Fits 68 to 73mm bottom bracket LCD display with battery and trip data Integrated controller with pedal start and throttle start IP 67 waterproof connectors Assisted speed up to 40km/h (adjustable) Lighting Plugs Includes Gear shift sensor Throttle Cut-off brake levers Main loom Speed sensor Mounting hardware Cranks Stock 44T sprocket and cover