ENVE G27 Innerdrive 650b Wheel 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. Features 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 resistance Innerdrive mechanism features oversized 42mm steel ratchets positioned inboard and over the bearings, reducing stress on the axle and bearings while ensuring positive and reliable engagement Interchangeable ratchets (sold separately) allow riders to easily tune their rides for their personal performance needs Premium 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 system Molded 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" tires Rims are pre-taped and tubeless ready SPECIFICATIONSStyle Front, 12x100mm, Centerlock MFG#100-3312-060Hub/Brake Compatibility Center-Lock Disc Wheel Size650b ISO Diameter584 / 650b / 27. 5"Valve Presta Rim Width (Internal)27Rim Material Carbon Front Axle12mm Thru x 100mm Tire Type Tubeless Ready Style Rear, 12x142mm, Centerlock, XDr, 60t MFG#100-3312-062Hub/Brake Compatibility Center-Lock Disc Wheel Size650b Cassette Body Type SRAM XDRISO Diameter584 / 650b / 27. 5"Rear Axle12mm Thru x 142mm Valve Presta Rim Width (Internal)27Rim Material Carbon Tire Type Tubeless Ready Style Rear, 12x142mm, Centerlock, HG, 60t MFG#100-3312-061Hub/Brake Compatibility Center-Lock Disc Wheel Size650b Cassette Body Type Shimano HG 11/12-Speed Road ISO Diameter584 / 650b / 27. 5"Rear Axle12mm Thru x 142mm Valve Presta Rim Width (Internal)27Rim Material Carbon Tire Type Tubeless Ready Style Rear, 12x142mm, Centerlock, Micro Spline, 60t MFG#100-3312-064Hub/Brake Compatibility Center-Lock Disc Wheel Size650b Cassette Body Type Shimano Micro Spline ISO Diameter584 / 650b / 27. 5"Rear Axle12mm Thru x 142mm Valve Presta Rim Width (Internal)27Rim Material Carbon Tire Type Tubeless Ready | Enve | G27 Innerdrive 650B Wheel Rear, 12X142Mm, Centerlock, Micro Spline, 60T