Riders who like the idea of giving their tires some extra volume and support will find the ideal partner with the XM 481. Its full 30mm of inner width together with a minimal hook and perfect tubeless compatibility make it ready to tackle all demanding trails, both up and down the mountain Tubeless-Ready Alloy rim (tape, valves, and sealant sold separately) 2.0 silver alloy Prolock Squorx Pro Head nipples and PHR washers included The wheel must be built with the supplied PHR washers and Pro Head nipples. The PHR washer must be positioned between the nipple and rim and fit correctly within the radius of the rim. DT Swiss recommends that the contact area between the nipple and PHR washer is greased ERD and weights shown include PHR washers Intended use is XC, All Mountain, and Enduro riding Rim + Washers: 574g