Air-Liner GRAVEL is an insert for tubeless-ready gravel tires. Re-usable and very easy to install—as easy as mounting an inner tube on your tire—Air-Liner GRAVEL is compatible with tubeless-ready tires only and with 3-way valves (5-way valves are included for ultimate airflow). The insert can be used with sealant—preferably sealants without ammonia.

- Air-Liner increases control, durability, performance, and protection of both tire and wheel.
- Compatible with any wheel size up to 700c with 3-way tubeless valve, and tire widths from 31mm to 40mm.
- The Vittoria Air-Liner is a tire insert, designed for use in tubeless tires.
- Sold individually (single tire).