A square profile provides a solid, consistent feel across the knobs. Modified knobs on the shoulder and center improve braking performance and traction on hard surfaces.DC - Dual Compound tread provides a lower rolling resistance center paired with extra grip for the cornersEXO equipped models feature Maxxis` EXO sidewall protection which help prevent puncture from sidewall abrasionsTR - Tubeless Ready - sealant requiredTubeless27.5x2.3584TBLS - FoldBk/Blk6086560DC/EXO/TRNoUPC/EAN/GTIN: 4717784026138