Mavic cosmic pro carbon sl disc road wheelsetthe cosmic pro carbon sl disc is a superlight and super strong carbon tubular aero wheel favoured by racers for the toughest classics races its an ultra dynamic ride thanks to low weight low inertia and high lateral stiffness featuresrimsmaterial 3k carbon fibresheight 40mmdrilling traditionaldisc brake specific profilevalve hole diameter 65mmtyre clincherinternal width 17mmetrto size 622x17cspokesmaterial steelshape straight pull blad