48V50OW Bafang Mid Drive Motor Kit M325 Electric Bike Conversion Kits BB68-73mm
1 Pcs 48V500W M325 Bafang Mid Drive Motor. Motor Model:M325. (The motor kitsdo not include BB spacer and 73mm screws. 1 Pair Crank. 1 Set Thumb Throttle. Reduction Ratio: 1:21.9. PAS SENSOR: Speed sensor. ).