EC built upon his vast product development experience to construct a tire that is adaptable to riders of all skill levels. Each knob has been carefully crafted by Eric to achieve a specific purpose. Cornering bite, straight line speed and predictability were among the important factors taken into account by EC when designing the Excavator. You dont have to be blasting a berm at 30 mph in France to appreciate what this tire can do. Cross country racers, freeriders and downhillers rejoice. EC has delivered you a tire that you all can use. Dual Treat Compound DTC features L3R Pro center tread for durability and Stick E rubber outer knobs for great cornering traction.