The Roval Alpinist CLX III is engineered for polka dot jersey contenders and riders who enjoy fast climbs. At 1,131g, it is the lightest road wheelset in the Roval lineup, shedding 134g from its predecessor. A new lightweight hub and Roval Aero Composite Spokes by ARRIS save 103.5g of system weight while being 20% stronger than steel. The performance gains are measurable, helping riders climb faster than ever before. All You Need to Know About Roval Alpinist CLX III A New Era of Lightweight Roval Aero Composite Spokes by ARRIS help cut 134g for a 1,131g wheelset. Demi's 5 Seconds Faster With Alpinist CLX III, Demi is 5 seconds faster up Tourmalet, compared to the previous generation. Proven. Untouchable. Still Alpinist. Hooked rims hold up to 110psi, double impact standards, and stay ultralight. Made in Racing "Climbing is where I feel most alive, and the new Alpinist CLX III wheels are so light and powerful, they make me wanna fly and race up a mountain even more!" Demi Vollering, FDJ-Suez How The Lightest Wheels Got Even Lighter The Roval Aero Composite Spokes by ARRIS are 20% stronger than the steel alternative, saving 1.9g per spoke, resulting in a 103.5g lighter system weight-that's just from the spokes.