The Kwick Drumlin is hard to beat, K-Shield (KS) protection and a long lasting compound make it a reliable companion. Burly side knobs give confidence and grip on wet or loose conditions. Feels at home on concrete as well as gravel paths and forest roads. Approved for use up to 25km/h (E-25). K-Shield (KS) - A 3mm layer of light, flexible rubber containing aramid and ceramic particles for increased puncture resistance. Designed to prevent punctures and increase tire lifeThe Kwick Drumlin Cargo was specifically developed for cargo e-bikes. A special 4-ply construction and a sub-tread puncture breaker result in a load capacity of 150kg/tire and an increase to overall durability.