... sliver) 24-36v10A LiFePO4 battery intellgent controller wheel geared motor bicycle kits feature :geared motor: slive or black colore can options now16 ... 150W-350W. CE,EN15194,ISO9001. rear High speed motor with geared 135MM WITH DISC BRAK and freewheelfront High speed motor with ... 300RPM Front/rear wheel ,light weight, high speed, brushless geared hub motor,16inch --28 inch wheel optional.180W-250W for ...