SRAM Hub Bearing Set - X0 Hubs/Roam30/Roam40/Rise 60-B1/Rail 40

SRAM is a privately owned American manufacturer of bicycle components, which can be found on all types of bicycle worldwide. They specialise in transmission, brake, suspension and wheel systems and offer their components under various other brand names such as Rockshox, Zipp, Quarq, Truvativ and Avid.