... approval, 3 motor: 180-250W high speed 4 Controller: 36V/48V Electric bicycle conversion kits 1. Charger: 36V/48V2. Wheel size ... any other size according to your request3. Controller: 36V/48V4. Battery(24V/36V,10Ah/12Ah)5. Tyres for Electric bicycle, Electric ... : motor wheel,handle bar,brake bar,brake cables,switch bar,battery steel case,controller,charger etc7. Motor: 180W,250W,350W,500W ...