ENVE SES 2.3 INDR Wheel Rear 700C / 622 Holes: 24 12mm TA 142mm Disc Center Lock Campagnolo N3WThe 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. NOT FOR OFF ROAD GRAVEL USE! INNERDRIVE premium disc road hub Centerlock only (lockrings not included) 1274 gram wheelset weight (+ 2%) Inner rim width: 21mm Minimum labeled tire size: 25mm For use with tubeless tires only TECH SPECS Rim Color Black