Alternating F-shaped knobs provide a fast rolling centerline while smaller, siped knobs transition into larger shoulder knobs for predictable corneringRace Casing 60 TPI Nylon offers a supple yet robust structure that enhances puncture resistance and impact absorption without compromising speedConsistent deformation across tread and sidewall ensures peak performance in cross-country racingBead Shield offers additional protection from rim strikes at the beadTubeless29x2.25622TBLS - FoldBk/Brn68060NoUPC/EAN/GTIN: 8022530035828