Tannus Armour Tyre Insert - 2.0-2.5 Inch - 29 Inch YGroup_7033473597485 Shimano took the flat side

Shimano took the flat side a bit further

You know it's going to be quality

Includes required hardware

BBS3916: 16 notch BB socket for 39mm diameter notch pattern

Lightweight and impact absorbing VPD compound

Tannus Armour Tyre Insert - 2.0-2.5 Inch - 29 Inch YGroup_7033473597485 Shimano took the flat sideThe 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.