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 use. 4PLY - 4 ply casing for a robust durable tire and reduced chance of flats from pinches and punctures. KS - K Shield A 3mm layer of aramid and ceramic particles inside the tire under the tread area only Kenda`s entry level belting. EBIKE25 - has achieved a passing rating for use with E-Bikes up to 25kph