The all-new M6 are ENVE's flagship, every day, any-trail, rims developed for all the bikes, riders, and trails between cross-country and gravity racing disciplines. Like all new M Series rims, the M6 features 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.Designed for rear wheel useThe front rim s additional width and lighter construction maximize compliance, traction, and tirestabilityThe rear rim has been optimized for power transmission and durabilityWide Hookless Bead - Trail optimized anti-pinch flat protectionBuilt 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 SpecificationsBrake CompatibilityDisc OnlyColorBlackDefined ColorBlackDesigned for ebikeYesHub Drilling28ISO Diameter622 / Road / 29"Manufacturer Spec ERD (mm)603Rim Depth (mm)21Rim MaterialCarbonRim Width (External)38.4Rim Width (Internal)29Tire TypeTubeless ReadyValvePrestaWeight445Wheel Size29" ENVE Composites M6 Rims Rims UPC: 810125058462