AW 16.5" Electric Bicycle Front Wheel Frame Kit for 20" 36V 750W 1.95"-2.5" Tire E-Bike Powerful 750W 36V brushless hub motor that allows up to 25 KM/H top speed The kit includes motorized wheel(not inculdes the tire), motor controller, speed throttle, power break lever, wire harness 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