Small closely spaced knobs make this an XC go to tire and the ramped knobs keep you rolling 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