RDM Hub Bicycle Brake Adapter + M30-1 Freewheel Drive

Product Description This RDM Hub Bicycle Brake Adapter + M30-1 Freewheel Drive is compatible with motorized bicycle hubs on the front or rear side. The adapter can be purchased singly to either finish off a hub or customize it. Specs: 36h 2.78"/70.5mm spoke hole circle diameter Two brake adapters, an axle assembly, and a hub body are needed to assemble a hub, even if brakes will only be installed on one side.An axle assembly consists of an axle, 2x M10-1x45mm bolts, 4x M10 washers, and 2x 6905 bearings you can use shielded sealed or open bearings.  The hubs are a straightforward assembly. When lacing your wheel bolt, the hub end adapters employ M5 x14mm socket head cap screws.