... break lever, wire harness Quiet and Reliable Brushless Gearless Hub Motor (24V, 36V, 48V) Motor Specifications: 24V/36V/48Vdc/250W/500W/320rpm or ... 48V/1000W/430rpm High Motor Efficiency: >80% Speed: 0-55km Hub Width: 85mm front or 128mm rear hub motor Reinforced Bike rim ... Rear Wheel (the whole wheel! ) with different Watt Powerful Brushless Hub Motor(The wheel size comes with 16", 18", 20", 24", ...