The Sensamo Master features CST`s Double Breaker protection and a fast rolling tread with heavy siping for water evacuation The innovative anti-puncture protection does not diminish the tire�s flexibility or ride comfort, and also gives you dependable protection for the commute Textured sidewalls help prevent cuts and abrasions while file style tread on the shoulders improves corner traction in all weather SC - Single compound, one compound throughout the tread optimized for longevity and performance DB - Double Breaker, features both APL and EPS puncture protection for improved puncture resistance REF - Reflective sidewall striping or hotpatch to aid in low light visibility Standard 26x1.75 559 Wire Belted Bk/Blk 65 870 60 SC/DB/REF YesUPC/EAN/GTIN: 6933882515048