The Mavic Cosmic Pro Carbon WTS Performance Road Wheelset is the best value carbon Wheel-Tire System reinvented to be lighter, more dynamic and improved aerodynamics. The Cosmic Pro Carbon Wheel Tire System features the best balance of low frontal drag and crosswind stability on the market, with a 45mm deep NACA profile that brings low drag in any condition and easy crosswind steering. The wheelset gives you perfect efficiency and low weight for a fast and smooth ride. Lateral stiffness and reliability are brought to you by 12k carbon flanges with high lateral stiffness that gives you low friction and fast engagement.