The first wheel tyre system that flows as a single unit for time trial triathlon and flat raceswe worked with our pro team and our fastest triathletes to develop the cx01 technology used on the cxr ultimate 80 t together we found the marginal gains needed to take this from being just a wheelset to creating a unique wheel and tire combination where the system is faster than the sum of its partsfirstly the naca 40national advisory committee for aerodynamics41 defined the airfoil profiles t