Electric bicycle conversion kits 1. Charger: 36V/48V 2. Wheel size: 20",26",28",or any other size according to your request 3. Controller: 36V/48V 4. Battery(24V/36V,10Ah/12Ah) 5. Tyres for Electric bicycle, Electric bike, Electric Motorcycle 6. Some parts: motor wheel,handle bar,brake bar,brake cables,switch bar,battery steel case,controller,charger etc 7. Motor: 180W,250W,350W,500W,800W,1500W,2000W,etc we can supply