Tightly packed, evenly spaced rectangular knobs offer lots of working edges for traction on hardpack trails and jumpsThe tread pattern extends well onto the shoulder of the tire for predictable traction on berms and turnsADX Addix compound found on the Performance Line made to serve as an all-around, well balanced compound for all usesKGRD - Layer from natural rubber, reinforced with Kevlar fibers - the protection standard for every tire from the Active LineStandard26x2.1559WireBk/Blk8049060ADX/KGRDNoUPC/EAN/GTIN: 4026495904032