Maxxis TIRES MAX MINION SS 26x2.3 BK FOLD/60 DC/EXO/TR Semi Slick micro knob center tread with aggressive minion shoulder knobs Fast rolling with extra bite for the corners 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