multi-size bleed blocks and a unique attachable syringe mount

reaffirming our commitment to sustainability without compromising on quality

which dries 4 times faster than cotton

you can use these valves on other rims not listed above

Tannus Armour Tyre Insert - 26 Inch - 4"-4.8" Heavy/Bulky multi-size bleed blocks and aThe Tannus Armour Tyre Insert is the ideal solution if you are running tubes and want some bomber puncture protection as well as increased ride quality. Who's this item for: DH, Enduro, and Trail bike riders running tubes who are hard on tyres and get lots of flats! Tubes Tubeless: This system has been designed to be used with tubes. Tannus recommends these sized tubes with their inserts: 2. 0 2. 5" insert: 1. 75 2. 1 tube 2. 6 3. 0" insert: 2. 0" 2.