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 corners EXO - sidewall protection which helps prevent puncture from sidewall abrasions WT - Wide Track casing optimized for rims over 35mm internal width TR - Tubeless Ready - sealant required Tubeless 29x2.6 622 TBLS - Fold Bk/Blk 50 60 WT/DC/EXO/TRUPC/EAN/GTIN: 4717784034041