170mm 72v 3000W 20*4.0inch Fat Bike Kit with Sabvoton 80A waterproof controller.
Engine: 72v 3000w Electric bike rear hub motor wheel 170mm Dropout. 1.72V 3000W Motor and Fat Bike Rim. Dropout width: 170mm. 20x4.0 Fat bike alloy rim. 10.1 to 4 waterproof cable. Alarm&lock. Two alloy brake levers.