48V250W*3 BAFANG Mid Drive Motor Electric Bike Conversion Kit 68-73MM+EKD01+44T
Bafang Model: M315 MM G340.250. 1 Pair 44T Chainwheel(Default) - Let us know if you want 36T/42T. Four Riding Modes: Choose from pure electric mode, human riding model, power assistance, and push models.