The elite crono cx kit fibreglass cage and aero bottle is the successor to the world championship winning tt kit this kit takes aero performance to the next level and it39s fully uci legal for use in sanctioned time trials and triathons this kit provides you with a fibreglass bottle cage and lightweight bottle which literally go hand in hand with each other to maximise aerodynamics the unique surface pattern on the bottle also improves aerodynamics as it has been tried and tested in a