Vittoria Air-Liner Protect Trail MTB Insert. Features: Designed to cater to the diverse needs of riders, striking the ideal balance between protection, performance, and lightweight design Crafted with precision engineering and advanced materials Provides superior protection against punctures and impact damage without compromising on the bike's agility and responsivenes Innovative design absorbs shocks and vibrations, delivering a more comfortable and stable ride for riders of all levels In case of a puncture, you can ride up to 50km in run-flat mode. You can get home easily and repair the damage in a later moment Cornering support increased Valve included Specs: Model:Air-Liner Protect Trail Size:29" Tire W:2.1-2.6" Rim W:25-30mm Package:each Weight:100g