The mavic cosmic carbone wts tubular wheel combines the light weight and durability of an all carbon road wheel with the dependability of an alloy clincher the carbon structure is enhanced by patented tgmax technology and qrm hubs deliver a smooth stable and agile ride the cosmic carbone boasts high stiffness and a no hole construction for a reinforced make up that ensures no weak points the 40mm profile has been optimised by wind tunnel testing and the carbon clincher ensures superior brak