ENVE Foundation 65 Innerdrive 700c Wheel The 65 Foundation wheel provides best-in-class aerodynamics and confidence-inspiring cross-wind stability to assist you in your hardest efforts in time trial and triathlon racing. The 65 offers a ton of value and is loaded with Enve technology, like shapes derived in a wind tunnel, tuned carbon laminates, and built-in flat tire protection. The sum of these parts isn't just a faster ride, it's a better ride experience. Features 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 performance Wide 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 damage 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 Molded Spoke Hole Technology offers a variety of benefits that ultimately result in a more durable and reliable carbon fiber rim and wheel65mm depth and 21mm internal rim width, Aero Optimized design to support 25 - 28mm tires. For use with Tubeless tires only SPECIFICATIONSStyle Front, 12x100mm, Centerlock MFG#100-3315-005Hub/Brake Compatibility Center-Lock Disc Wheel Size700c ISO Diameter622 / Road / 29"Valve Presta Rim Width (Internal)21Rim Material Carbon Front Axle12mm Thru x 100mm Tire Type Tubeless Ready Style Rear, 12x142mm, Centerlock, HG, 60t MFG#100-3315-006Hub/Brake Compatibility Center-Lock Disc Wheel Size700c Cassette Body Type Shimano HG 11/12-Speed Road ISO Diameter622 / Road / 29"Rear Axle12mm Thru x 142mm Valve Presta Rim Width (Internal)21Rim Material Carbon Tire Type Tubeless Ready Style Rear, 12x142mm, Centerlock, XDr, 60t MFG#100-3315-007Hub/Brake Compatibility Center-Lock Disc Wheel Size700c Cassette Body Type SRAM XDRISO Diameter622 / Road / 29"Rear Axle12mm Thru x 142mm Valve Presta Rim Width (Internal)21Rim Material Carbon Tire Type Tubeless Ready | Enve | Foundation 65 Innerdrive 700C Wheel Rear, 12X142Mm, Centerlock, Hg, 60T