Directional tread with smooth center section and micro-knurled shoulders for a quiet running tire with low rolling resistance perfect for road and trekking use K-Guard belted offers entry level puncture protection against thorns and road debris Green compound is made from renewable and recycled raw materials Twin Skin - An additional rubber coating on the side protects against cuts and allows for uniform coloring Standard 26x1.75 559 Wire Belted Bk/Bsk/Ref 70 720 50 YesUPC/EAN/GTIN: 4026495822664