The specialized roval 32 carbon clincher 700c wheel rear the roval clx 32 rear wheel is one of the lightest carbon clinchers ever made but this doesn39t come at the expense of fundamental performance instead painstaking engineering and lab testing helped us achieve a 550 gram wheel that39s tough enough for cyclocross racing yet light enough for the demands of a gc climber the low inertia and ample stiffness help the wheel accelerate and change direction on a dime we didn39t