Rear wheel motor, 48V, 500W for bicycle (hub)Motor wheel assembly, with 28 inch rim, 36v 350W for bicycle (thread)Rear wheel motor, 36V, 350W for bicycle (thread)Motor wheel assembly, with 28 inch rim, 36v 500W for bicycle (thread)Rear wheel motor, 36V, 350W for bicycle (hub)Motor wheel assembly, with 28 inch rim, 36v 350W for bicycle (hub)Rear wheel motor, 48V, 500W for bicycle (thread)Rear wheel motor assembly, with 26 inch rim, 36v 500W for bicycle (thread)Motor wheel assembly, with 26 inch rim, 36v 500W for bicycle (hub)Motor wheel assembly, with 26 inch rim, 36v 350W for bicycle (hub)Motor wheel assembly, with 28 inch rim, 36v 500W for bicycle (hub)Motor wheel assembly, with 26 inch rim, 36v 350W for bicycle (thread)