DT Swiss XM1550 Rear Wheels are swiss made cross mountain wheels, clincher and tubeless compatible.Includes Center Lock adaptors, rim tape and tubeless valveTricon hubs featuring the patented star-ratchet system and stainless steel ball bearings220lb max rider weightTwo piece hub keeps bearing seat free of tensionOpen crowfoot spoke pattern with combined radial and cross for stiffness and torque transmissionStraight double threaded spokes with Torx nipplesConcave rim profile with Strength Boost Welding TechnologyWelded 26mm wide rimItem SpecificationsColorBlackHub Drilling30spokesRear Axle Type10mm ThruCassette Body TypeShimano 9/10/SRAMHub/Brake CompatibilityCenter-Lock Disc,6-Bolt DiscValvePrestaISO Diameter622/road/29"Valve LengthShort 32-40mmWheel Size29erTire TypeTubeless Compatible,ClincherRear Wheel TypeMountainRear Hub Spacing135mmSpoke InfoAeroRimDT Swiss XM1550Skewer IncludedN/ARim MaterialAlloy