The Vittoria Air-Liner Road is an insert for your tubeless tire that will make it more comfortable and compliant than ever. It is a perfect choice for when you plan on hitting a less than forgiving road. This insert also keeps you going in the event of air loss, designed for run-flat usage. It ensures bead lock at lower pressures and keeps the tire in place when there is a puncture. The lightweight material does not absorb any sealant while using Vittoria tubeless valves to eliminate clogging. With this liner in your tire, there is never a risk of riding on the wheels. Use the Vittoria Air-Liner Tool to properly insert the liner. The Vittoria Air-Liner Road will keep you going in any scenario.