Mid-height tread blocks are spaced evenly to allow penetration through loose trail conditions and openly for better mud-clearing compared to other race tires Mid-height tread blocks are spaced evenly to allow penetration through loose trail conditions and openly for better mud-clearing compared to other race tires Wide cupped knobs down the middle provide excellent braking on the sloppiest singletrack DC - Dual Compound tread provides a lower rolling resistance center paired with extra grip for the corners EXO equipped models feature Maxxis` EXO sidewall protection which helps prevent puncture from sidewall abrasions TR - Tubeless Ready - sealant required WT - Wide Track casing optimized for rims over 35mm internal width