The MTB SRS CARBON-GROUND SOLE raises the standard for mountain bike performance, dropping off about 100 grams per pair compared to the previous Dragon Carbon SRS sole without sacrificing power or durability. The MTB SRS CARBON-GROUND Sole consists of replaceable tread blocks in the toe and heel attached to a medium-modulus carbon sole, plus the innovative Replaceable MTB Plate, designed to prevent sole damage from pedal contact