The Rapide CLX 40 full-carbon clincher is the perfect all-around race wheelset. The aerodynamic optimized rim shape slices through the wind, while preserving the confident, stable handling of a box section rim. A wide internal and external rim provides an optimal tire profile for incredibly precise handling and stiffness. At a weight of 1,375g it's still light enough to climb the tallest of mountains. Rapide CLX 40- FASTER EVERYWHERE.