Hutchinson cougar xc mtb tyreoptimum versatility for all types of terrain the air light process is all about making hutchinson tires as light as we can by optimizing all the components of the tire by maximizing the design and performance of the thread casing and the profile air light increases the output 20 and acceleration while making handling far more secure by reducing the gyroscopic featuresprofile aggressive and awesome for dry rockyoptimum cornering grip and performance optimized