Vittoria Air-Liner Light Gravel 2025 Tubeless Tyre Insert

The Vittoria Air-Liner Light Gravel insert is a foam insert that fits inside your gravel bike's tubeless tyre. It weighs 40 g and is compatible with sealant.

• Lightweight: weighs just 40 g in both sizes
• Sealant-compatible foam, so you can keep using your tubeless sealant
• Works only with tubeless setups and multiway tubeless valves
• Choose your size: 37-40 mm for 25-30 mm rims
• For 21-27 mm rims, choose the 42-50 mm size

Technical specifications

• Available Sizes: 700x37-40, 700x42-50
• Tyre Width (size 37-40): 37-40 mm
• Rim Width (size 37-40): 25-30 mm
• Rim Width (size 42-50): 21-27 mm
• Weight (size 37-40): 40 g
• Weight (size 42-50): 40 g
• Compatibility: tubeless only with multiway tubeless valves; sealant-compatible foam

Founded in 1953 in Madone, in the province of Bergamo, Vittoria is now based in Brembate and makes bicycle tyres, tubular tyres and inner tubes. From road cycling to mountain biking, it supports cyclists with products that also use graphene in their tyre compounds.