ENVE SES 2. 3 Innerdrive 700c Wheel The SES 2. 3 is purpose-built for the mountains. Ultra-light, respectfully aerodynamic, and optimized for tubeless tires, the SES 2. 3 raises the bar for performance through hilly and mountainous terrain. There's no better option for the uncompromising climber who values performance up and down the mountain than the new SES 2. 3. At sub-1200 grams, they're in a league of their own and deliver a real-world advantage in hilly terrain through their lightweight design and confidence-inspiring handling. Features Full carbon rim features continuously running fibers throughout the rim, tapering laminates, and removing excess material to achieve exceptional weight reduction and composites engineering 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 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 wheel32mm rear depth and 21mm internal rim width supports minimum tire sizes of 25mm. For use with Tubeless tires only Rims are pre-taped and tubeless ready Due to the extremely lightweight nature and construction of this rim, it is not suitable for off-road/gravel applications SPECIFICATIONSStyle Front, 12x100mm, Centerlock MFG#100-3317-007Hub/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#100-3317-008Hub/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#100-3317-009Hub/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 | Ses 2. 3 Innerdrive 700C Wheel Front, 12X100Mm, Centerlock