--- product_id: 27766904 title: "Mongoose Replacement Bike Tire Tube, Available in Multiple Sizes, Fat Bike Inner Tube, Schrader Valve, Easy Inflation, Replacement for Fat Bicycle Tires" brand: "mongoose" price: "¥4863" currency: JPY in_stock: true reviews_count: 13 category: "Mongoose" url: https://www.desertcart.jp/products/27766904-mongoose-replacement-bike-tire-tube-available-in-multiple-sizes-fat store_origin: JP region: Japan --- # Thick rubber for durability 20-inch diameter for fat bikes Quick Schrader valve inflation Mongoose Replacement Bike Tire Tube, Available in Multiple Sizes, Fat Bike Inner Tube, Schrader Valve, Easy Inflation, Replacement for Fat Bicycle Tires **Brand:** mongoose **Price:** ¥4863 **Availability:** ✅ In Stock ## Summary > 🚴‍♂️ Ride Ready, Rugged, Reliable – Never Miss a Mile! ## Quick Answers - **What is this?** Mongoose Replacement Bike Tire Tube, Available in Multiple Sizes, Fat Bike Inner Tube, Schrader Valve, Easy Inflation, Replacement for Fat Bicycle Tires by mongoose - **How much does it cost?** ¥4863 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/27766904-mongoose-replacement-bike-tire-tube-available-in-multiple-sizes-fat) ## Best For - mongoose enthusiasts ## Why This Product - Trusted mongoose brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Trusted Legacy:** From BMX pioneers to fat bike pros, Mongoose delivers 50+ years of action-sports expertise in every tube. - • **Built to Endure:** Thick, premium rubber construction ensures long-lasting performance and resistance to punctures. - • **Inflate in a Flash:** Standard Schrader valve enables fast, hassle-free inflation so you’re back on the trail in no time. - • **Rugged 20-inch Fit:** Perfectly engineered for fat bike tires 4" to 4.9" wide—dominate any terrain with confidence. - • **DIY-Ready Installation:** Swap tubes effortlessly with basic tools—no mechanic needed, empowering your ride independence. ## Overview The Mongoose 20-inch Replacement Bike Tire Tube is designed specifically for fat bikes with 4" to 4.9" wide tires. Made from thick, durable rubber and equipped with a standard Schrader valve, it offers quick inflation and long-lasting performance on rugged terrain. Easy to install and backed by Mongoose’s 50+ years of BMX and action sports heritage, this tube is the essential backup for any serious fat bike rider. ## Description Keep your ride going strong with the Mongoose 20” Replacement Bike Tire Tube. Built for durability, this thick rubber tube offers long-lasting performance. The standard Schrader valve stem ensures easy inflation, while its rugged construction makes it ideal for fat bikes tackling tough terrain. Quick to install with the help of a tire lever, this tube is a must-have for hassle-free repairs – so pack a spare and ride with confidence. At Mongoose, we know our roots – as pioneers in BMX and action sports for over 50 years, we're dedicated to delivering an epic ride every time. Get ready to push the limits. Review: THIS IS WHAT YOU NEED! WORKS PERFECT. - QUALITY TIRE TUBE, EASY TO INSTALL, HAS NOT LEAKED. VERY DURABLE. Review: Very happy with this tire - Great thick tire and fits my bike perfectly ## Features - BIKE INNER TUBE: Keep your ride smooth and your tires properly inflated with this 20-inch bike tube. Designed for fat bikes with tires 4" to 4.9" wide, it performs well on rugged terrain. This Mongoose inner tube is ready for the journey. - BUILT TO LAST: This bicycle tire tube is made from thick rubber for durability and long-lasting performance. The standard Schrader valve stem allows for quick and easy inflation so you can get back on the trail with confidence. - EASY TO INSTALL: Replacing inner tubes for bike tires is quick and simple with the help of a tire lever – you can do it yourself. Just swap it out, inflate, and get back to your ride with ease. - STAY PREPARED: Never let a flat tire slow you down – keep a spare bicycle tube on hand for quick and easy replacements. A reliable backup ensures a smooth ride and peace of mind wherever your adventures take you. - KNOW YOUR ROOTS: As one of the OGs in BMX and action sports, Mongoose has helped bring this movement to the world. For over 50 years, we've been all about epic rides and pushing limits – and we're just getting started. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01CGDVXL8 | | Best Sellers Rank | #65,015 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #412 in Bike Tubes | | Bike Type | Fat Bike | | Brand | Mongoose | | Brand Name | Mongoose | | Compatible Tire Width Maximum | 4.9 Inches | | Compatible Tire Width Minimum | 4 Inches | | Customer Reviews | 4.6 out of 5 stars 6,066 Reviews | | Global Trade Identification Number | 00038675068285 | | Included Components | bicycle tube | | Item Diameter | 20 Inches | | Item Type Name | Bike Tube | | Item Weight | 0.25 Pounds | | Item Width | 4 Inches | | Manufacturer | Pacific Cycle Inc. | | Manufacturer Part Number | MG78457-6 | | Material | Rubber | | Material Type | Rubber | | Model Number | MG78457-6 | | Size | 20" x 4"-4.9" | | UPC | 038675068285 | | Unit Count | 1.0 Count | | Valve Length | 1.5 Inches | | Valve Type | Schrader | | Warranty Description | limited | | Wheel Size | 20 Inches | ## Product Details - **Brand:** Mongoose - **Item Diameter:** 20 Inches - **Material:** Rubber - **Valve Type:** Schrader - **Wheel Size:** 20 Inches ## Images ![Mongoose Replacement Bike Tire Tube, Available in Multiple Sizes, Fat Bike Inner Tube, Schrader Valve, Easy Inflation, Replacement for Fat Bicycle Tires - Image 1](https://m.media-amazon.com/images/I/81niF5WQUjL.jpg) ## Available Options This product comes in different **Size, Style** options. ## Questions & Answers **Q: Does this only fit for a mongoose?** A: That's just the company name. This fits my 26" by 4" as well as my 26" x 5" tires and rims. **Q: What is the thickness of the wall of the tube?** A: The thickness of the wall is 1 mm. Thanks **Q: Our tube says 20x4-1/4. Will this fit?** A: Yes that's what my sons is **Q: Tha valve, its presta?** A: No, the valve is NOT presta. ## Customer Reviews ### ⭐⭐⭐⭐⭐ THIS IS WHAT YOU NEED! WORKS PERFECT. *by K***Y on December 23, 2025* QUALITY TIRE TUBE, EASY TO INSTALL, HAS NOT LEAKED. VERY DURABLE. ### ⭐⭐⭐⭐⭐ Very happy with this tire *by M***K on May 14, 2026* Great thick tire and fits my bike perfectly ### ⭐⭐⭐⭐⭐ Great product *by A***S on January 14, 2026* It was as expected. Thank you. ## Frequently Bought Together - Mongoose Fat Tire Bike Tube, Inner Tubes with Schrader Valve, Fits 20" / 24" / 26" / 27.5" Bicycle Tires, Heavy-Duty Rubber, Easy Inflation, 1-Pack Replacement Tire Tube - Slime 10004 Dirt Bike Tube Puncture Repair Sealant, Prevent and Repair, suitable for all Dirt Bikes with Tubes, Non-Toxic, Eco-Friendly, 16oz bottle - Mongoose Fat Tire Replacement, 20" x 4" or 26" x 4" Fat Tire Bike, Knobby, Puncture Guard, Nylon Inserts Within The Tire for Extra Puncture Resistance, Bicycle Replacement Parts, Black --- ## 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.jp/products/27766904-mongoose-replacement-bike-tire-tube-available-in-multiple-sizes-fat](https://www.desertcart.jp/products/27766904-mongoose-replacement-bike-tire-tube-available-in-multiple-sizes-fat) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-06-16*