The urban tread design is a stylish upgrade for any city or trekking bike. K-Shield protection and a long-lasting compound make the Kwick Drumlin Sport KS a reliable companion for commuting, trekking and city.For added puncture protection and safety, the Kwick Drumlin Sport KS comes with K-Shield, a 3 mm thick layer of light, flexible rubber containing aramid and ceramic particles inside the tire under the tread area only. K-Shield prevents punctures and increases tire life. A reflective tape across sidewalls provides better nighttime visibility and safety.The Kwick Series Sport is certified according to ECE-R75 norm and is approved for use on e-bikes up to 50 km/h. Available in both Black and Coffee (CSK) skinwall.K Shield (KS)A 3mm layer of light, flexible rubber containing aramid and ceramic particles inside the tire under the tread area only. Designed to prevent punctures and increase tire life.Image for illustration purposes only