Streamlined and compact shape met engineers have redefined the parameters of aerodynamic efficiency through uncountable hours spent in the wind tunnel and incorporating feedback from team mtn qhubeka the aerodynamic and low profile shape provides a saving of 3 watts at 50kmh which translates into 1 second time advantage compared to other aero road helmets the venturi effect allows for maximum air intake while having the lowest drag possible through air channels inside the helmet hot air is