THE BEST VALUE AERODYNAMIC WHEELSET, LIGHTER AND STIFFER THAN EVERRoad & triathlon wheels Cosmic Carbone SLSCosmic Carbone SLS features time-proven Mavic carbon capabilities, blending aerodynamics and high stiffness, with one of the lightest aero clincher rims. Feather light Yksion Pro tyres and new hubs reinforce its responsiveness. Affordable for any riders, road racers and triathletes!