Small closely spaced knobs make this an XC go to tire and the ramped knobs keep you rolling Folding bead models feature a higher TPI dual compound casing and EPS puncture protection DC - Dual Compound, two compounds comprised of a harder, longer lasting center and a softer gripping corner EPS - Exceptional Puncture Safety, offers an added layer of proprietary rubberized poly-fiber material between the tread and the casing to help prevent punctures TR - Tubeless Ready, compatible with sealant based tubeless systems or with tubes Tubeless 29x2.25 559 TBLS - Fold Belted Bk/Blk 55 60 DC/EPS/TR NoUPC/EAN/GTIN: 6933882519169