Five rows of equally spaced square knobs sandwiched between double rows of continuous ridges provide an extremely smooth rolling tire with unmatched gripPerfectly suited for rough or gravel roads as well as shooting off course to explore single trackAnti-Flat casing technology helps prevent flats from punctures and debris without the extra weight of an added beltTubeless27.5x2.1584TBLS - FoldBeltedBk/Blk60590120NoUPC/EAN/GTIN: 4931253021381