Vittoria Air-Liner Tubeless Insert - MTB Large - 2.50-2.70 Lower Stack Height-4.4 4" maximum tire width

4" maximum tire width

Full X-SYNC design literally means the harder you pedal

From lever to packaging

Flange No Color Nightride Blue Length 136 Defined Color Blue Grip Shift Specific No Shape Round Weight 107 Lock On Yes

Vittoria Air-Liner Tubeless Insert - MTB Large - 2.50-2.70 Lower Stack Height-4.4 4" maximum tire widthVittoria Air Liner Tubeless Insert MTB Large 2. 50 2. 70". 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