The Recourse from CST is an excellent choice for road riders who want a larger volume tire for training or competition. DC - Dual Compound, two compounds comprised of a harder, longer lasting center and a softer gripping corner SC - Single compound, one compound throughout the tread optimized for longevity and performance EPS - Exceptional Puncture Safety, offers an added layer of proprietary rubberized poly-fiber material between the tread and the casing to help prevent punctures Standard 700x28 622 Wire Bk/Blk 120 360 27 DC NoUPC/EAN/GTIN: 6933882516526