Through Authenticate 
Designed to be fast and agile. The Happy Medium's knob heights and profiles allow for a seamless transition from the tire center to the edge knobs.
A universal design that is applicable to all types of riding and racing; fast rolling center with aggressive outside edge for cornering assurance
Downhill version veatures 2-ply constuction and Stick-E rubber; Cross-country versions feature light-weight single-ply casings and DTC rubber
Front and Rear application
