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 visibilityEBIKE50 - has achieved a passing rating for use with E-Bikes up to 50kph and is ECE-R75 approvedStandard20x2.15406WireBeltedBk/Blk6586560EPS/REF/EBIKE50Yes