Extremely tough aramid synthetic tire liner for bulletproof protection. The anti-puncture tire liner is placed between the tire and tube and adds a dimension of puncture protection suitable for everyone except those who care about weight above all else. If you hate flats, you want to use the anti-puncture tire liner!

Features

• Pair of Kevlar anti-puncture bands.
• Weight: 50gr.
• They must be positioned between inner tubes and tires.
• Easy to assemble.
• For 29" wheels.
• ETRTO 622.