--- product_id: 454405881 title: "Tannus Armour Tire Insert, Fat Tire Tube, No Flat Bike Tire Liner, Puncture Proof Tube Protector for E-Bikes and MTB" brand: "tannus" price: "$330.78" currency: USD in_stock: true category: "Tannus" url: https://www.desertcart.us/products/454405881-tannus-armour-tire-insert-fat-tire-tube-no-flat-bike store_origin: US region: United States of America --- # Run-flat & pinch-flat defense Tool-free 10-15 min install 15mm puncture-proof foam Tannus Armour Tire Insert, Fat Tire Tube, No Flat Bike Tire Liner, Puncture Proof Tube Protector for E-Bikes and MTB **Brand:** tannus **Price:** $330.78 **Availability:** ✅ In Stock ## Summary > 🛡️ Ride fearless, ride flawless—never flat, always forward. ## Quick Answers - **What is this?** Tannus Armour Tire Insert, Fat Tire Tube, No Flat Bike Tire Liner, Puncture Proof Tube Protector for E-Bikes and MTB by tannus - **How much does it cost?** $330.78 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/454405881-tannus-armour-tire-insert-fat-tire-tube-no-flat-bike) ## 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 - • **Quick, Tool-Free Setup:** Install or remove in just 10-15 minutes—no special tools needed, perfect for busy pros on the go. - • **Enhanced Comfort & Control:** Multi-cell foam dampens vibrations and boosts grip for a smoother, quieter ride on any terrain. - • **Ride Confidently, No Flats:** Run-flat capability means you keep rolling even with low or no air—never get stranded again. - • **Unmatched Puncture Protection:** Shield your ride from thorns, rocks, and debris with 15mm of patented Aither foam armor. - • **Better Handling Than Solid Liners:** Experience superior stability and low rolling resistance without sacrificing comfort or control. ## Overview Tannus Armour Tire Insert is a high-tech, 15mm thick multi-cell foam liner designed to protect fat, gravel, and e-bike tires from punctures and pinch flats. Its patented Aither foam technology enhances grip, comfort, and vibration dampening while offering run-flat support. Easy to install without tools, it’s the ultimate upgrade for riders demanding durability and performance on every ride. ## Description Tannus Armour is the ultimate in tire protection and performance for all levels and styles of riding. Sitting between your tire and inner tube, the Tannus Armour provides 15mm of puncture protection on the top, as well as 2mm of sidewall protection from sharp objects and rocks. Whether you are a city biker, adventure tourer or prefer the off-road, downhill or gravel trails, Tannus Armour gives you increased grip and vibration dampening for a smoother, more comfortable and enjoyable ride. Tannus has been developing tire technology since 2003 and we are the number 1 brand of airless tire technology in the world. At the heart of Tannus is our patented Aither Technology. Aither is a multi-cell foam compound that forms the structure of the Armour. ## 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 | B0973LTJ7X | | Best Sellers Rank | 109,359 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 1,048 in Tyres (Sports & Outdoors) | | Bike Type | Mountain Bike | | Brand Name | Tannus | | Colour | Red | | Customer Reviews | 4.2 4.2 out of 5 stars (297) | | Included Components | Instructions | | Item Diameter | 20 Inches | | Item Width | 30 Millimetres | | Manufacturer | Tannus | | Manufacturer Part Number | 20 x 3.0-4.0 | | Material Type | Foam | | Model Number | 20 x 3.0-4.0 | | Size | 20" x 3.0-4.0" | | Tread Type | Slick | | Tyre Type | Clincher | | Unit Count | 1.0 count | | Warranty Type | Limited | | Wheel Size | 20 Inches | ## Product Details - **Bike type:** Mountain Bike - **Brand:** Tannus - **Colour:** Red - **Item diameter:** 20 Inches - **Item width:** 30 Millimetres - **Material:** Foam - **Size:** 20" x 3.0-4.0" - **Tyre type:** Clincher - **Warranty type:** Limited - **Wheel size:** 20 Inches ## Images ![Tannus Armour Tire Insert, Fat Tire Tube, No Flat Bike Tire Liner, Puncture Proof Tube Protector for E-Bikes and MTB - Image 1](https://m.media-amazon.com/images/I/513JWzklj0L.jpg) ## Available Options This product comes in different **Size** options. ## 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 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/454405881-tannus-armour-tire-insert-fat-tire-tube-no-flat-bike](https://www.desertcart.us/products/454405881-tannus-armour-tire-insert-fat-tire-tube-no-flat-bike) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-09-16*