Maxxis Forekaster EXO/TR Tire - 29in Mid-height tread blocks are spaced evenly to allow penetration through loose trail conditions and openly for better mud-clearing Wide cupped knobs down the middle provide excellent braking in any conditions 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 help prevent puncture from sidewall abrasions TR - Tubeless Ready - sealant required