It's a helmet for your tubes. Tannus Armour provides 15mm of puncture protection on the top, as well as 2mm of sidewall protection. At the heart of Tannus Armour is our patented Aither Technology. Aither is a multi-cell foam compound that forms the structure of the Armour.

In the package: 1 Tannus Armour Tire Insert with Tube and Schrader Valve

• Fits a Fat Tire 26"
• Single Tire Insert (purchase two for a set)