Elite crono cx aero bottle kit includes carbon cage and 500 ml aero bottle as successor to the grand tour and world championship winning tt kit the crono cx takes aero performance to the next level fully uci legal for use in sanctioned time trials as well as triathlons unique bottle surface pattern developed and wind tunnel tested to maximise air penetration jossa membrane cap for fast and easy drinking in race conditions unidirectional monocoque carbon fibre cage holds the bottle close to