The track is about getting the best of the best and pushing yourself and your gear. The Pro Carbon Track Rear Disc wheel is a tubular wheel with perfect aerodynamics, low weight and high lateral stiffness. Developed in conjunction with the top riders and teams and using the Formula-1 carbon manufacturer and specialists to make sure that it is the best they can do. The 2x2 3K carbon uses an innovative sandwich conjunction around a Rohacell foam core. The Integrated Shimano Dura Ace track hub guarantees perfect and smooth rolling characteristics and durability. The optimum weight and outstanding durability.