Tannus Armour 20" 2 Pack

Tannus Armour protects your tube against 95% of common bike flats. 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.