CST`s Brooklyn tires feature a fast rolling, deeply siped tread with a micro-textured surface and durable sidewalls perfect for utility and cargo bikes Thick EPS anti-puncture layer and reinforced sidewallsEPS - Exceptional Puncture Safety, offers an added layer of proprietary rubberized poly-fiber material between the tread and the casing to help prevent puncturesREF - Reflective sidewall striping or hot patch to aid in low light visibilityE - designated tires are designed to specifically withstand use on E-Bikes, with an upgraded casing and beadStandard20x2.15406WireBeltedBk/Blk6586560EPS/REFYesUPC/EAN/GTIN: 6933882532434