The next generation of tt helmets is here a true revolution in aerodynamic helmets designed to be faster than the competition the louis garneau p 09 aero cycling helmet utilizes the innovative technology of the vorttice helmet with improved aerodynamics improved ventilation and an improved lens system the frontal surface is reduced to a minimum making the helmet more compact the inferior part of the tail is reversed for a better airflow at the shoulders and a speed port allows air that e