The Vittoria Air Liner Road Tyre Insert Large 30mm enhances cycling by offering stability and run-flat capabilities without affecting rolling performance. It’s designed for road conditions, absorbing shocks from potholes and chip seal for a smooth ride. Lighter than traditional sealants, it allows for a lightweight setup while keeping tire responsiveness. In case of a puncture, the insert expands to secure the tire on the rim, allowing you to ride up to 30 miles without repairs. Enjoy lower rolling resistance, increased traction, and peace of mind on your rides. SKU: 1AA00110