Catlike chrono aero plus helmetcatlike exceeds the highest standards of excellence with specific models designed for time trials and triathlons this helmet is the result of a challenge to invert and develop a tool that has to be perfect all surfaces and details are designed to maximise its aerodynamic properties they have been tested in wind tunnels along with top engineers and world class racers who have worked closely with catlike to develop these masterpieces features wind tunnel tested