Classic center rib profile is versatile and offers pleasant rolling characteristics Equipped with K-Guard, Schwalbe`s entry level puncture protection 50 TPI carcass Twin Skin - An additional rubber coating on the side protects against cuts and allows for uniform coloring KGRD - Layer from natural rubber, reinforced with Kevlar� fibres. The protection standard for every tire from the Active Line Standard 26x1-3/8 590 Wire Belted Bk/Bsk 65 670 50 KGRD NoUPC/EAN/GTIN: 4026495780926