AW 16.5" Electric Bicycle Front Wheel Frame Kit for 20" 48V 1000W 470RPM E-Bike Powerful 1000W 48V brushless hub motor that allows up to 45 KM/H top speed The kit includes motorized wheel(not inculdes the tire), motor controller, speed throttle, power break lever, wire harness,Pedal assist sensor Drive system has no moving chains or gears, no friction, more efficient, less chance to break! Brake shuts off motor automatically, saves energy, improves safety! Thumb throttle with 3 LEDs indicator lights Applicable Bike: Fat Tire Electric Bike(Not suit for other bike); Applicable Tyre:20''x4''