Wheel Factory hand built versatile wheels. DT Swiss FR 541 Rims are designed to be the last rim you ever need. New rim shape improves impact resistance and reduces the chance pinch flats. Rims are 30mm wide, 21mm deep, tubeless ready and offer superior performance and reliability for Enduro, and DH use. DT Swiss patented Pro Head Reinforcement System (PHR System) is designed to balance the load transferred to the rim. NEW DT-Swiss 370 hubs with updated Ratchet LN driver mechanism. DT's legendary star ratchet system is now available at the most affordable price point yet. DT 370 hubs are compatible with all Ratchet LN freehub bodies as well as DT's 36 and 54 POE ratchet upgrade options. All hubs use IS-6B disc brake mounts. Built with DT Swiss Competition double butted spokes (2.0/1.8/2.0).