The rapide clx 40 full carbon clincher creates the perfect all around race wheelset the aerodynamic optimised rim shape slices through the wind while preserving the confident stable handling of a box section rim a wide internal and external rim provides a better tyre profile for incredibly precise handling and stiffness for the competition minded rider at a weight that is still light enough to climb the tallest of mountains rapide clx 40 faster every whererim profile aerorim material carb