Wheel Factory hand built versatile wheels DT Swiss XM 481 rims Offer industry leading Trail and Enduro performance Similar construction and strength rating to EX511 rims but in a lighter package to benefit the ride up 30mm internal width is ideal for tires between 2.3" 2.8" These 21mm deep, tubeless ready, disc specific rims are lightweight and offer superior performance and reliability in Trail, Enduro, and even light 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 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 IS6B disc brake mounts Built with DT Swiss Competition double butted spokes (2.0/1.8/2.0) and brass DT Swiss Squorx nipples Hand laced and trued in the USA