Race inspired low profile fast rolling center tread with staggered aggressive shoulder knobs Dual compound rubber casing provides straight line speed and improved cornering grip 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 Tubeless 29x2.25 622 TBLS - Fold Bk/Bsk 60 645 120 62/60a DC/EXO/TR NoUPC/EAN/GTIN: 4717784032719