--- product_id: 328531139 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: "$289.27" currency: USD in_stock: true category: "Tannus" url: https://www.desertcart.us/products/328531139-tannus-armour-tire-insert-fat-tire-tube-no-flat-bike store_origin: US region: United States of America --- # Tool-free install in 10-15 mins 15mm patented Aither foam protection Run-flat & pinch-flat defense Tannus Armour Tire Insert, Fat Tire Tube, No Flat Bike Tire Liner, Puncture Proof Tube Protector for E-Bikes and MTB **Brand:** tannus **Price:** $289.27 **Availability:** ✅ In Stock ## Summary > 🛡️ Ride fearless, ride flawless — the ultimate no-flat upgrade! ## 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?** $289.27 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/328531139-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 - • **Smooth, Stable, and Silent:** Multi-cell foam dampens vibrations for superior grip and a whisper-quiet ride on any terrain. - • **Quick, Tool-Free Installation:** Upgrade your tires in under 15 minutes—no mechanics or special tools needed. - • **Unbeatable Puncture Protection:** Shield your ride from thorns, rocks, and debris with 15mm of advanced foam armor. - • **Better Handling Than Solid Liners:** Experience enhanced control and low rolling resistance without sacrificing comfort. - • **Ride Confidently, No Flats Allowed:** Run-flat capability means you keep rolling even after a puncture—never get stranded again. ## Overview The Tannus Armour Tire Insert is a 26" x 4.0-4.8" high-tech foam liner designed for fat tires, e-bikes, and mountain bikes. It provides 15mm of patented Aither foam protection that prevents flats from thorns, rocks, and debris while improving ride comfort and handling. Featuring run-flat and pinch-flat defense, it allows riders to finish their journey even with low or no air pressure. Easy to install without tools, this puncture-proof liner enhances grip, reduces vibration, and maintains low rolling resistance for a smoother, more reliable ride. ## 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 ## 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 | #21,619 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #67 in Bike Tires | | Bike Type | Mountain Bike | | Brand Name | Tannus | | Color | Red | | Customer Reviews | 4.2 4.2 out of 5 stars (757) | | 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 - **Brand:** Tannus - **Color:** Red - **Item Diameter:** 26 inches - **Item Width:** 4 inches - **Material:** Foam - **Size:** 26" x 4.0-4.8" - **Tire Type:** Clincher - **Warranty Type:** Limited - **Wheel Size:** 26 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/328531139-tannus-armour-tire-insert-fat-tire-tube-no-flat-bike](https://www.desertcart.us/products/328531139-tannus-armour-tire-insert-fat-tire-tube-no-flat-bike) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-09-12*