DT Swiss XM 421 Disc Rim (Black) (28H) (Presta) (29") (Tubeless)
DT Swiss XM 421 Disc Rim (Black) (28H) (Presta) (29") (Tubeless), DT Swiss XM 421 Rim. Features: 20mm deep, tubeless ready, disc specific rim A nearly seamless welding process and a special anodizing treatment boost strength while remaining durable DT-Swiss's patented Pro Head Reinforcement System (PHR System) is designed to balance the load transferred to the rim, working as a ball and socket interface, requiring unique washers and Squorx nipples Rims include Squorx nipples and washers Specifications: Wheel Size: 27.5" or 29" ISO Diameter (ETRTO): 584 or 622 Effective Rim Diameter (ERD): 564mm (27.5") or 602mm (29") Spoke Count: 28H or 32H Brake Type: Disc Brake Rim Joint: Welded Rim Dimensions: 25mm (Internal), 30mm (External), 20mm (Depth) Valve: Presta Tire Type: Tubeless (Clincher) Material: Aluminum Color: Black Weight: 440g (27.5"), 465g (29")