The DHF incorporates ramped knobs for low rolling resistance and channel-cut knobs to increase gripping edges, giving straight-line control and precise cornering.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 requiredTubeless29x2.3622TBLS - FoldBk/Blk6592560DC/EXO/TRNoUPC/EAN/GTIN: 4717784026145