Make your own heavy-duty rear wheel for your motorized bike. Each kit includes a chain drive sprocket in your choice of 3 sizes, freewheel sprocket mounting hub, drum brake, and heavy duty axle that's ready for spokes and a rim. For use with any chain drive bicycle engine kit. Please specify either 44, 48, or 56 tooth sprocket.
Not sure which sprocket to choose? Check out our Bicycle Engine Sprocket Guide.