Vittoria Air-Liner Tubeless Insert - Gravel One-Size 31-40mm. The Air-Liner is a foam-based reusable insert for tubeless tires designed to protect the rim enhance grip and prevent punctures. The system provides unmatched bump compliance while ensuring bead lock at lower pressures. In the event of air-loss the Air-Liner insert is designed for run-flat use.
Enhanced rim and tire protection allows for lower tire pressures and run-flat capability to always get you back home
Designed to be used with sealant – preferably without ammonia
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