Roval Rapide Sprint CLX Wheel Aero Redefined Introducing the Roval Rapide Sprint CLX Wheel, engineered to cross the finish line first. Focused on maximizing front-end aero performance-where 90% of aero benefit comes from-the Sprint CLX pairs a 63mm front rim with a 58mm rear, delivering low drag and high-level responsiveness. Lightweight carbon spokes and a DT Swiss 180 EXP hub system add ultra-quick acceleration, while Flat Stop(TM) bead hooks improve race-day reliability with a 39% increase in resistance to pinch flats. This Roval Rapide Sprint CLX Wheel provides uncompromising speed for the modern road racer. Features Aero-optimized 63mm front / 58mm rear rim depths for increased aero gains at the front of the bike where it's needed most Flat Stop(TM) bead hooks for a 39% increase in pinch-flat protection New composite aero spokes with ti end pieces for reduced weight and increased wheel strength DT Swiss 180 Hubs with EXP 36t freehub for top-level performance and nearly-instant freehub engagement Hand-built, UCI-approved and ready to race SPECIFICATIONSWheel Size700c Material Carbon Fiber Outer Rim Width35mm front / 34. 4mm rear Inner Rim Width21mm Rim Height63mm front / 58mm rear Spoke Drilling18 front / 24 rear Valve Type Presta Tubeless Compatible Yes Tire Type Clincher (tubeless and tube-type compatible)Front Axle12x100mm Rear Axle12x142mm Intended Use Road Race Approximate Weight3. 07 lbs / 1395g (wheelset with valves and tape) | Roval | Rapide Sprint Clx 700C Wheel 12X142 Xdr Glss Wht