Vittoria Air-Liner Light XC 29 x 2.1 - 2.4 Tubeless Tire Insert

The Vittoria Air-Liner Light XC Tubeless Tire Insert is engineered for cross-country riders who demand maximum speed without sacrificing protection or control. Designed to enhance performance in modern XC racing conditions, this ultra-light insert improves rim defense, stability in corners, and overall handling — all while allowing riders to run lower tire pressures for superior traction.

Built from Vittoria’s high-performance foam material, the Air-Liner Light XC provides consistent support across the entire tire, minimizing burping and increasing sidewall stiffness during aggressive riding. Whether you're chasing podiums or pushing your limits on technical XC terrain, this insert boosts confidence, responsiveness, and durability on every ride.

Features: 

• Designed specifically for modern cross-country racing
• Super lightweight construction maintains fast acceleration
• Enhances tire stability and cornering performance
• Improves rim protection against impacts and sharp terrain
• Minimizes burping and improves bead security
• Allows lower tire pressures for better traction and control
• Compatible with most major tubeless XC tire and wheel systems
• Easy to install and reuse

Specs:

• Tire Size Compatibility: 29 x 2.1-2.4"
• Internal Rim Width Compatibility: 25-30mm
• Included Valve Length: 40mm
• e-Bike Compatible: No
• Tubeless Only
• Weight: 55g (one insert)
• This insert is designed exclusively for tubeless tires and must be used with multiway tubeless valves and ammonia free sealant only.
• Each package includes one insert and a 40 mm Vittoria Multiway tubeless valve.