The G27 is the ultimate gravel component, capable of transforming any drop bar bike into an off-road capable rig, made for multi-day bikepacking routes, singletrack adventures, and everything in between. Riders on rough and loose terrain, who primarily ride dirt, often find more confidence and control from a larger volume tire with 650b rim. Those who prioritize traction and stable control over flat out speed will appreciate the G27.Full carbon rim features wide hookless beads that provide a 60% improvement in pinch flat resistance, while maintaining the ability to run lower tire pressures and improve traction and rolling resistanceInnerdrive 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 reliabilityPremium Straight Pull hubs utilize equal spoke lengths with an anti-twist spoke design for improved wheel strength and performance, a lightweight alloy hubshell, stainless steel sealed bearings and easy to service axle systemMolded Spoke Hole Technology offers a variety of benefits that ultimately result in a more durable and reliable carbon fiber rim and wheel27mm internal rim width supports 42c -2.25" tiresRims are pre-taped and tubeless readyItem SpecificationsCassette Body TypeShimano Micro SplineColorBlackHub/Brake CompatibilityCenter-Lock DiscISO Diameter584 / 650b / 27.5"Rear Axle12mm Thru x 142mmRim MaterialCarbonRim Width (Internal)27Tire TypeTubeless ReadyValvePrestaWheel Size650b ENVE Composites G27 Rear Wheel Rear Wheel UPC: 810125055621