Mavic cxr ultimate 60 tubular road rear wheelthis is a tubular wheel and tyre system that has been designed for triathlon sprints and hilly races it features race proven cx01 technology now available in 60mm the integrated wheel tyre system cheats the wind these wheels have been tested in the worlds most famous wind tunnels to provide an advantage of increased time and watts in all conditions features cx01mavic cx01 technology delivers an integrated wheel tyre system that smoothes airflow