---
product_id: 328531139
title: "Tannus Armour Tire Insert, Puncture-Proof Bike Tube Protector for Gravel, Fat..."
brand: "tannus"
price: "€ 227.57"
currency: EUR
in_stock: true
reviews_count: 13
category: "Tannus"
url: https://www.desertcart.hr/products/328531139-tannus-armour-tire-insert-puncture-proof-bike-tube-protector-gravel
store_origin: HR
region: Croatia
---

# Run-flat & pinch-flat defense Tool-free install in 10-15 mins 15mm patented Aither foam protection Tannus Armour Tire Insert, Puncture-Proof Bike Tube Protector for Gravel, Fat...

**Brand:** tannus
**Price:** € 227.57
**Availability:** ✅ In Stock

## Summary

> 🛞 Never stop riding—puncture-proof your adventure with Tannus Armour!

## Quick Answers

- **What is this?** Tannus Armour Tire Insert, Puncture-Proof Bike Tube Protector for Gravel, Fat... by tannus
- **How much does it cost?** € 227.57 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/328531139-tannus-armour-tire-insert-puncture-proof-bike-tube-protector-gravel)

## Best For

- tannus enthusiasts

## Why This Product

- Trusted tannus brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless Installation:** Tool-free setup in under 15 minutes—get back on the trail faster without the hassle.
- • **Enhanced Comfort & Control:** Multi-cell foam dampens vibrations for smoother, quieter rides with superior grip and handling.
- • **Ride Confidently, No Flats:** Run-flat capability means you finish your journey even after a puncture—no roadside panic.
- • **Unmatched Puncture Protection:** Shield your ride from thorns, nails, and debris with 15mm of advanced foam armor.
- • **Optimized for E-Bikes & Fat Tires:** Specifically engineered for mountain, gravel, fat tire, and e-bike riders demanding durability and performance.

## Overview

The Tannus Armour Tire Insert is a 26" x 4.0-4.8" high-tech foam liner designed to prevent flats on fat tire, gravel, mountain, and e-bikes. Featuring patented Aither foam technology, it provides 15mm of puncture protection and sidewall support, run-flat capability, and pinch-flat defense. It installs tool-free in 10-15 minutes, enhancing ride comfort, grip, and control while reducing vibrations and rolling resistance.

## Description

desertcart.com : Tannus Armour Tire Insert 26 x 4.0-4.8, Fat Tire Tube, No Flat Bike Tire Liner, Puncture Proof Tube Protector for E-Bikes and MTB : Sports & Outdoors

Review: Must have for e-bikes - This insert has performed very well in the month I’ve had it. In the 6 months I’ve had my bike I’ve had at least 7 flats and most were from little pieces of metal from the street cleaners bristles and small glass shards. All would barely break through the tire but with the weight on the back tire they’d cause a flat. Always the back; insert angry face!! The second day it was in I pulled a staple that went straight into the tire out and the day after that a 3/4” finishing nail that went in at a slight angle. Neither punctured the tube and what I would’ve spent on replacement tubes has already covered a decent portion of the cost of this. I can still find glass shards and fine metal pieces but I’ve stopped even looking after seeing it take the nail and not go flat. I’ve seen reviews about this not having instructions and that’s wrong. They’re literally embossed on the side of the insert. It’s a few simple steps; deflate tube, clean insert, put insert into tire, tire on bike, re-inflate. But honestly if you need more that that you probably shouldn’t be working on your own bike imho. The only thing that wasn’t stated was that you may have to trim this if your size falls within a range like mine 3-4” insert for a 3” tire, but that’s kinda common sense and if you held the insert against your tire without trimming you’d see it’s way over sized. For this I put the whole insert into the tire, traced where it touched the edge of the tire and then cut 1/8” inside that line to give the tire bead space to seat in the rim. Like magic the amount I cut off was very close to 1” Lastly I’d like to point out something about sizing. The 20x3” tube I first put on which is my bikes size was too big. I felt this as I put it on. There’s just too much rubber when this insert takes up 1/3 of the space in the tire. I did my best to stretch it out and have it fit smoothly in the tire but there seemed to always be a spot it bunched. Plus I couldn’t really pump more than 20psi into the tire despite the bike calling for a min of 24. I should’ve trusted my instincts but recall reading another review saying someone was a clown for saying you need to size the tube down. Well last week I got a flat, was still able to ride to a safe place to change as the insert doesn’t put your rim on the road and the flat was caused by a small pinch in the tube. Not even against the rim just a tiny fold in the center of the tube where it sat in the insert. I got the next partial size tube smaller; 2.75-3.3” and it fits much better and took the correct psi.
Review: Hawk 250 tire saver - This was a LIFE SAVER for the hawk 250, I went through so many tubes here in New Mexico from goat heads and after putting this on, I didn’t get a single hole. They go on fairly easy if you use soap and water as a lubricant and have the amor sit in the sun for a little while

## Features

- NO FLATS, MAXIMUM PROTECTION: Tannus Armour tire insert works as a puncture-proof tire liner and bike tube protector, helping stop flats from thorns, goatheads, rocks, and debris while improving comfort on fat tire, gravel, and e-bike rides
- PATENTED AITHER FOAM TECHNOLOGY: Made from lightweight, high-tech multi-cell foam, this insert provides 15mm of top protection and sidewall support, delivering vibration dampening, better grip, and a smoother, quieter ride
- RUN-FLAT CAPABILITY & PINCH-FLAT DEFENSE: Ride with confidence knowing your tires gain run-flat support in case of a puncture and added protection against pinch flats, helping you finish your ride even with low or no air
- BETTER HANDLING THAN SOLID LINERS: Unlike solid rubber tire liners, Tannus Armour tire insert improves ride feel, control, and stability, supporting your bike tire and tube across different pressures while maintaining comfort, grip, and low rolling resistance for mountain, gravel, fat tire, and e-bike riding
- FAST, TOOL-FREE INSTALL: This Tannus Armour tire insert installs easily between your bike tire and inner tube in about 10–15 minutes per wheel, with no special tools required—simple to remove and reuse when changing mountain, gravel, fat tire, or e-bike tires and tubes

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08P3TTLHR |
| Best Sellers Rank | #51,294 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #227 in Bike Tires |
| Bike Type | Mountain Bike |
| Brand | Tannus |
| Brand Name | Tannus |
| Color | Red |
| Customer Reviews | 4.2 out of 5 stars 750 Reviews |
| Included Components | Instructions |
| Item Diameter | 26 inches |
| Item Width | 4 inches |
| Manufacturer | Tannus |
| Manufacturer Part Number | TA Insert |
| Material Type | Foam |
| Model Number | TA Insert |
| Size | 26" x 4.0-4.8" |
| Tire Type | Clincher |
| Tread Type | Multi-terrain or All-terrain |
| Unit Count | 1 Count |
| Warranty Type | Limited |
| Wheel Size | 26 inches |

## Product Details

- **Bike Type:** Mountain Bike, Road Bike
- **Brand:** Tannus
- **Item Diameter:** 26 Inches
- **Item Width:** 4.8 Inches
- **Manufacturer:** Tannus
- **Material:** Foam
- **Size:** 26" x 4.0-4.8"
- **Tire Type:** Tubeless
- **Warranty Type:** Limited

## Images

![Tannus Armour Tire Insert, Puncture-Proof Bike Tube Protector for Gravel, Fat... - Image 1](https://m.media-amazon.com/images/I/513JWzklj0L.jpg)
![Tannus Armour Tire Insert, Puncture-Proof Bike Tube Protector for Gravel, Fat... - Image 2](https://m.media-amazon.com/images/I/91eQFVvz5wL.jpg)
![Tannus Armour Tire Insert, Puncture-Proof Bike Tube Protector for Gravel, Fat... - Image 3](https://m.media-amazon.com/images/I/71H93jpH8OL.jpg)
![Tannus Armour Tire Insert, Puncture-Proof Bike Tube Protector for Gravel, Fat... - Image 4](https://m.media-amazon.com/images/I/61XO1W+VClL.jpg)
![Tannus Armour Tire Insert, Puncture-Proof Bike Tube Protector for Gravel, Fat... - Image 5](https://m.media-amazon.com/images/I/61zXD6KdIKL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Must have for e-bikes
*by M***L on April 18, 2024*

This insert has performed very well in the month I’ve had it. In the 6 months I’ve had my bike I’ve had at least 7 flats and most were from little pieces of metal from the street cleaners bristles and small glass shards. All would barely break through the tire but with the weight on the back tire they’d cause a flat. Always the back; insert angry face!! The second day it was in I pulled a staple that went straight into the tire out and the day after that a 3/4” finishing nail that went in at a slight angle. Neither punctured the tube and what I would’ve spent on replacement tubes has already covered a decent portion of the cost of this. I can still find glass shards and fine metal pieces but I’ve stopped even looking after seeing it take the nail and not go flat. I’ve seen reviews about this not having instructions and that’s wrong. They’re literally embossed on the side of the insert. It’s a few simple steps; deflate tube, clean insert, put insert into tire, tire on bike, re-inflate. But honestly if you need more that that you probably shouldn’t be working on your own bike imho. The only thing that wasn’t stated was that you may have to trim this if your size falls within a range like mine 3-4” insert for a 3” tire, but that’s kinda common sense and if you held the insert against your tire without trimming you’d see it’s way over sized. For this I put the whole insert into the tire, traced where it touched the edge of the tire and then cut 1/8” inside that line to give the tire bead space to seat in the rim. Like magic the amount I cut off was very close to 1” Lastly I’d like to point out something about sizing. The 20x3” tube I first put on which is my bikes size was too big. I felt this as I put it on. There’s just too much rubber when this insert takes up 1/3 of the space in the tire. I did my best to stretch it out and have it fit smoothly in the tire but there seemed to always be a spot it bunched. Plus I couldn’t really pump more than 20psi into the tire despite the bike calling for a min of 24. I should’ve trusted my instincts but recall reading another review saying someone was a clown for saying you need to size the tube down. Well last week I got a flat, was still able to ride to a safe place to change as the insert doesn’t put your rim on the road and the flat was caused by a small pinch in the tube. Not even against the rim just a tiny fold in the center of the tube where it sat in the insert. I got the next partial size tube smaller; 2.75-3.3” and it fits much better and took the correct psi.

### ⭐⭐⭐⭐⭐ Hawk 250 tire saver
*by D***N on August 2, 2026*

This was a LIFE SAVER for the hawk 250, I went through so many tubes here in New Mexico from goat heads and after putting this on, I didn’t get a single hole. They go on fairly easy if you use soap and water as a lubricant and have the amor sit in the sun for a little while

### ⭐⭐⭐⭐⭐ Flats be gone!
*by L***N on July 18, 2026*

Was quite difficult to install on my 27.5x3 tires. But I haven't gotten a flat ever since I installed them. I ride my e-bike very often to work so no more flats is such a convenience.

## Frequently Bought Together

- Tannus Armour Tire Insert, No Flat Bike Tire Liner, Puncture Proof Bicycle Tube Protector, Stops Flats from Thorns and Goatheads Compatible with E-Bikes, Mountain Bikes, and More
- Ultraverse 20x4.0, 26x4.0, 20x3.0, 26x3.0 Inner Tube Set with Schrader Valve-Ideal for Mountain Bikes & E-Bikes with 20/26-Inch Fat Tires-Durable & Reliable Performance 2 Pack with Tire Levers

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**Shop now:** [https://www.desertcart.hr/products/328531139-tannus-armour-tire-insert-puncture-proof-bike-tube-protector-gravel](https://www.desertcart.hr/products/328531139-tannus-armour-tire-insert-puncture-proof-bike-tube-protector-gravel)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-08-12*