Five rows of equally spaced square knobs sandwiched between double rows of continuous ridges provide an extremely smooth rolling tire with unmatched grip Perfectly suited for rough or gravel roads as well as shooting off course to explore single track Anti-Flat casing technology helps prevent flats from punctures and debris without the extra weight of an added belt Tubeless 27.5x1.90 584 TBLS - Fold Belted Bk/Brn 50 540 120 NoUPC/EAN/GTIN: 4931253016769