The all-new M6 is ENVE's flagship, every day, any-trail, wheel developed for all the bikes, riders, and trails between cross-country and gravity racing disciplines. Like all new M Series wheels, the M6's rims feature unique shapes and constructions front and back. To accommodate the modern trail rider's preference for 2.4-2.5" wide tires, the M6's front rim features an internal rim width of 32mm, and the rear is 29mm.The rear rim has been optimized for power transmission, tracking, and durabilityWide Hookless Bead - Trail optimized anti-pinch flat protectionInnerdrive 80pt engagement hubs with CX Ray straight pull spokesBrass external nipples with Nyloc threaded locking insertBuilt for Cross-Country, Down-Country, Trail ApplicationsApproved for E-bike usage - Up to 75nmBacked by ENVE s 5-year Factory Warranty and Incidental Damage ProtectionItem SpecificationsCassette Body TypeShimano Micro SplineColorBlackDesigned for ebikeYesHub/Brake CompatibilityCenter-Lock DiscISO Diameter622 / Road / 29"Rear Axle12mm Thru x 148mmRim MaterialCarbonRim Width (Internal)29Tire TypeTubeless ReadyValvePrestaWheel Size29" ENVE Composites M6 Rear Wheel Rear Wheel UPC: 810125058370