The perfect blend of strength, performance, and versatility all in an attractive package. New wider rim spec for compatibility to modern tire sizes has been matched to a Shimano hub for additional reliability. Great choice for higher torque applications or for riders that don't want to worry about their equipment in harsh conditions. Professional tubeless tape installation included E-bike rated rim and hub Center Lock 23.8 internal rim width Shimano Tiagra hub Specifications Cassette Body TypeShimano/SRAM 8, 9, 10 SpeedColorBlackDefined ColorBlackDesigned for ebikeYesHub/Brake CompatibilityCenter-Lock DiscISO Diameter622 / Road / 29"Rear Axle12mm Thru x 142mmRim MaterialAlloyRim Width (Internal)22.4Tire TypeTubeless Ready ClincherValvePrestaWheel Size700c