... motor: 180-250W high speed 4 Controller: 36V/48V Electric bicycle conversion kits 1. Charger: 36V/48V2. Wheel size: ... Tyres for Electric bicycle, Electric bike, Electric Motorcycle6. Some parts: motor wheel,handle bar,brake bar,brake cables,switch bar,battery steel case, ... controller,charger etc7. Motor: 180W,250W,350W,500W,800W,1500W,2000W,etc we can supply electric bicycle ...