Proven Enve gravel wheel technology comes to the Foundation family with the AG25. Its ready for high-speed adventure on gravel roads, or your next bikepacking trip. Features like the patented Wide Hookless Bead, tuned carbon materials, external nipples and Foundation Road Hub, all come together for a gravel wheel that's more than the sum of its parts. It's ready to take an already exceptional bike to a level of even higher performance and higher fun.Full carbon rim is optimized to further improve tubeless tire and rim reliability with a hookless bead design that allows for the precise rim dimensions required to achieve the best tubeless performanceWide hookless bead deign greatly reduces the likelihood of pinch-flatting by providing a blunt surface upon which to bottom out the tire, dissipating energy across a larger surface area and preventing tire damageInnerdrive mechanism features oversized 42mm steel ratchets positioned inboard and over the bearings, reducing stress on the axle and bearings while ensuring positive and reliable engagementInterchangeable ratchets (sold separately) allow riders to easily tune their rides for their personal performance needs. Whether it be maximizing efficiency, response, or reliabilityMolded Spoke Hole Technology offers a variety of benefits that ultimately result in a more durable and reliable carbon fiber rim and wheel21mm depth and 25mm internal rim width, designed to support 36 - 50mm tires. Optimized for tubeless, Tube compatible with Tubeless tireItem SpecificationsCassette Body TypeShimano HG 11/12-Speed RoadColorBlackDefined ColorBlackHub/Brake CompatibilityCenter-Lock DiscISO Diameter622 / Road / 29"Rear Axle12mm Thru x 142mmRim MaterialCarbonRim Width (Internal)25Tire TypeTubeless ReadyValvePrestaWheel Size700c ENVE Composites AG25 Foundation Rear Wheel Rear Wheel UPC: 810125056932