1 electric bicycle conversion kits 2 with CE approval, 3 motor: ... high speed 4 Controller: 36V/48V Electric bicycle conversion kits 1. Charger: 36V/48V2. Wheel size: 20",26",28",or any ... , Electric bike, Electric Motorcycle6. Some parts: motor wheel,handle bar,brake bar,brake cables,switch bar,battery steel case,controller,charger etc7. Motor: 180W ...