... CE approval, 3 motor: 180-250W high speed 4 Controller: 36V/48V Electric bicycle conversion kits 1. ... 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 conversion ...