Same fast rolling tread as the standard Drumlin with a special 4-ply casing paired with K-Shield belting for a more robust, heavy duty tire for cargo and E-bike use4PLY - 4 ply casing for a robust durable tire and reduced chance of flats from pinches and puncturesKS - K Shield, A 3mm layer of aramid and ceramic particles inside the tire under the tread area only Kenda`s entry level beltingEBIKE25 - has achieved a passing rating for use with E-Bikes up to 25kphStandard26x2.4559WireBeltedBk/Blk751370604PLY/KS/EBIKE25/REFYesUPC/EAN/GTIN: 047853662184