RDM Hub Ruckus/Dio Disc Brake Mount

Product Description Motorized Bicycle Hub Ruckus/Dio Disc Brake adapter only. This component can be used on front or rear Hubs. Purchase RDM hub components individually to construct a hub or reconfigure as desired. Specs: 36h 2.78"/70.5mm spoke hole circle diameter Two brake adapters, an axle assembly, and a hub body are required to construct a hub, even when brakes are only needed 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 very easy to assemble. After lacing your wheel bolt, the hub end adapters on using M5 x14mm socket head cap screws.