Advanced knob shaping creates extra gripping edges, and reinforced side knobs offer enhanced stability when cornering at speed Advanced knob shaping creates extra gripping edges, and reinforced side knobs offer enhanced stability when cornering at speed An all-around trail tire excelling on everything from loose cross country race courses to heavy all-mountain riding DC - Dual Compound tread provides a lower rolling resistance center paired with extra grip for the corners DD - Double Down construction features two full 120 TPI casing layers reinforced with a butyl insert TR - Tubeless Ready - sealant required WT - Wide Track casing optimized for rims over 35mm internal width