Increased strategical placement of Grip-Pods matched to multi-facet Nano Knobs on shoulder and sides, capped off with friction enhancing chemical etching over the central tread Black Label edition features an improved Cyclex 120 TPI Ultralight casing, an increased maximum pressure, as well as puncture protection PneuMax 110 PSI High-Pressure Coating FAvntGUARD Cut Protection Layer UTC Rubber Compound Standard 20x1.6 406 Fold Belted Bk/Blk 110 320 120 NoUPC/EAN/GTIN: 840511038013