A flat tire 5 miles into the backcountry is a hunt-ending event. Tannus Armour inserts sit between the tire and tube, absorbing punctures from thorns, glass, and sharp rocks before they reach the tube — plus they double as a run-flat so you can limp home even if the tube does go.


Key Features
- Tannus Armour tire inserts with tube set — complete puncture protection kit
- Absorbs thorns, glass, and sharp rocks before they reach the tube
- Run-flat capability — ride home even with a punctured tube
- Fits 26x4.0-4.8" fat tires on all Bakcou fat tire e-bikes
Specifications
| Tire Size | 26x4.0-4.8" |
|---|---|
| Kit Includes | Tannus Armour inserts + matching tubes |
| Protection | Up to 95% puncture prevention |
| Run-Flat | Yes (ride home at reduced speed) |
Frequently Asked Questions
Which Bakcou bikes do these inserts fit?
All Bakcou fat tire e-bikes with 26x4.0-4.8" tires: Storm G2, Scout, Mule SD, Mule Jäger, Flatlander SD, and Kodiak SD.
Does the set include tubes?
Yes — this is a complete kit with both the Tannus Armour inserts and matching tubes. No separate tube purchase needed.
Can I still get a flat with these installed?
Tannus Armour prevents up to 95% of puncture flats. If a puncture does get through, the inserts act as a run-flat so you can ride home at reduced speed instead of walking.