Vittoria Air-liner tire insert MTB For 2.7-4.0 Tires Model=BRK-1 Big Rolling Tool Kit Dual head nozzle compatible with

Dual head nozzle compatible with both Presta & Schrader valves

Durable A380 aluminum die cast case and removable handle

Integrated chain spotter protects your frame and installs and adjusts independently of the derailleur itself

L-keys with Hex-Plus advantage for a longer screw life

Iincludes left and right pads with retraction springs and/or retention pins

Vittoria Air-liner tire insert MTB For 2.7-4.0 Tires Model=BRK-1 Big Rolling Tool Kit Dual head nozzle compatible withVittoria Air Liner Tubeless Insert MTB X Large 2. 8 4. 0". 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