Originally designed for E-Moped use, the Scout features large, siped square blocks in an offset staggered pattern Large channels between tread blocks provide positive grip while a rounded profile offers low rolling resistanceSpecial fibers built into the casing offer additional puncture protectionE25 - are rated for use with E-Bikes up to 25kph (15mph)Standard20x4.0406WireBeltedBk/Blk30167460SC/EBIKE25NoUPC/EAN/GTIN: 6933882532885