Building on the success of the MXR Supadrive hub, the MXR Supadrive Disc hub adds the option of a disc brake for improved braking.The MXR Supadrive Disc utilises Supadrive, our most advanced and reliable drive system to date. The MXR Supadrive hub offers a 120 point near instant engagement with the ability to withstand substantantial torque loads.With multiple World Championship titles across a range of disciplines, the Supadrive system is tried and tested at the very highest level.