The Reserve 30 HD wheel features a 30mm internal width that supports 2.3-2.5" tires, while the thick rim beads stand up to the abuse of tough, rocky, steep trails ridden at elite speed. Off-road rims can see greater single impacts, but nothing beats the full weekend of regular abuse that an EWS race dishes out.Tubeless tape included28 SpokesDesigned for off-road, aggressive trail riding and racingReserve 30 HD rims feature carbon fiber construction with a 4mm asymmetric offsetReinforced rim bed for impact resistanceRated for e-bike useDT Swiss 240 series hubs for reliability and smooth rolling efficiency, including the Ratchet DEG freehub system with 90 points of engagementBuild with DT Swiss Competition spokes and brass nipplesItem SpecificationsCassette Body TypeSRAM XDColorCarbonDefined ColorCarbonHub/Brake Compatibility6-Bolt DiscISO Diameter584 / 650b / 27.5"Rear Axle12mm Thru x 148mmRim MaterialCarbonRim Width (Internal)30mmTire TypeTubeless Ready ClincherValvePrestaWheel Size27.5" Quality Wheels DT 240 / Reserve 30 HD Carbon Rear Wheel Rear Wheel UPC: 708752545229