AW 26"x1.75" Rear Wheel 48V 1000W 470RPM Electric Bicycle Hub Motor Speed Control Conversion Kit PAS System Pedal Assistance System (PAS): let you enjoy cycling while driving electric bike Dual Mode Controller: Motor works under Hall effect and non-Hall effect, extend life for electric bike Provides you with a whole wheel with tire, not just the tire frame The kit includes motorized wheel, motor controller, speed throttle, wire harness Drive system has no moving chains or gears, no friction, more efficient, less chance to break!