--- product_id: 386898444 title: "89/102-406 Heavy Duty 20 inch Fat Bike Tubes 20x3.5/4.0 Schrader AV32" brand: "yunscm" price: "235.72 DT" currency: TND in_stock: true category: "Yun Scm" url: https://www.desertcart.tn/products/386898444-89-102-406-heavy-duty-20-inch-fat-bike-tubes store_origin: TN region: Tunisia --- # Heavy-duty butyl rubber 20-inch diameter fit Quick & easy installation 89/102-406 Heavy Duty 20 inch Fat Bike Tubes 20x3.5/4.0 Schrader AV32 **Brand:** yunscm **Price:** 235.72 DT **Availability:** βœ… In Stock ## Summary > πŸš΄β€β™‚οΈ Ride Bold, Ride Heavy – Never Compromise on Your Fat Bike's Heartbeat! ## Quick Answers - **What is this?** 89/102-406 Heavy Duty 20 inch Fat Bike Tubes 20x3.5/4.0 Schrader AV32 by yunscm - **How much does it cost?** 235.72 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/386898444-89-102-406-heavy-duty-20-inch-fat-bike-tubes) ## Best For - yunscm enthusiasts ## Why This Product - Trusted yunscm brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Effortless Installation:** Pre-inflate slightly before mounting to avoid pinch flats and get back on the trail in minutes. - β€’ **Perfect 20" Fit for Fat Bikes:** Designed specifically for 20x3.5/4.0 tires, ensuring seamless compatibility with your fat bike or e-bike setup. - β€’ **Enhanced Ride Comfort & Safety:** Absorbs road vibrations and bumps, making every ride smoother and safer on rough terrain. - β€’ **Durable Butyl Rubber Construction:** Premium butyl rubber offers superior sealing, ozone resistance, and shock absorption for a longer-lasting ride. - β€’ **Trusted Quality with Responsive Support:** Highly rated by thousands of cyclists and backed by dedicated after-sales service for peace of mind. ## Overview The 89/102-406 Heavy Duty 20 inch Fat Bike Tube is engineered for fat bikes and e-bikes with 20x3.5 to 4.0 tires. Crafted from premium butyl rubber, it delivers exceptional durability, airtight sealing, and shock absorption. Featuring a Schrader AV32 valve and easy installation design, this tube enhances ride comfort and safety on rugged trails. Trusted by thousands, it’s the go-to upgrade for serious riders seeking reliability and performance. ## Description Shop 2Pcs 89/102-406 Heavy Duty 20 inch Fat Bike Tubes 20x3.5/4.0 Schrader AV32 | 20" Bike Tubes Compatible with 20x3.5/4.0 MTB/Ebike/Road Fat Tubes. Free delivery and returns on all eligible orders. ## Features - Compatible Size: 20x3.5/4.0 inch AV(89/102-406) bicycle heavy duty inner tube, enhanced the ductility of the heavy load tyre, so that these inner tubes are ideal for a wide range of applications, compatible with 20x3.5 20x4.0 mountain bikes, road bikes, Cruiser bikes, and e-bikes; and the increased thickness meets the demand for longer mileage and heavier loads of today's popular e-bikes - High Quality & Durable Tube: The bike tyre tube made of high quality butyl rubber composite material, high performance hose has higher puncture resistance than traditional hoses. The thicker tyre body can withstand more friction and abrasion, which extends the life of the hose and reduces replacement frequency and maintenance costs. And it can be used for a long time - More Air Tightness: Adopting high elasticity and high quality butyl rubber and EPDM rubber, the thickness is increased by 40%, the air tightness of the inner tube is increased by 200% compared with the ordinary butyl inner tube; the tire can continuously maintain a stable inflation air pressure state after inflation, which dramatically reduces the frequency of inflation, and the good air tightness helps to keep the pressure of the tire stable, which improves the driving safety and efficiency - Excellent Shock Absorption Ability: The heavy, strong, highly durable butyl rubber made from these inner tubes is a perfect shock absorber to reduce vibration and eliminate the shock caused by bumps and rough surfaces on the road or pavement. Heavy Duty butyl rubber for maximum ride comfort - upgrade your ride experience - Package Contains: 2PCS heavy duty bike tubes 20x3.5/4.0 inch AV32mm Schrader Valve. Easy to install and remove, and check the valve position to ensure that it is installed in the correct direction - Tip: Before installing the inner tube, please put the inner tube into the water for inspection, if there are bubbles, it means that it has been damaged, you can contact us. Check the valve position to ensure that the installation direction is correct. Note: The inflatable inner tube should avoid puncture by sharp objects ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08Y8MVG2D | | Best Sellers Rank | 7,040 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 70 in Cycling Tubes | | Bike Type | Electric bicycle | | Brand Name | YunSCM | | Compatible Tire Width Maximum | 101.6 Millimetres | | Compatible Tire Width Minimum | 89 Millimetres | | Country Of Origin | China | | Customer Reviews | 4.6 4.6 out of 5 stars (2,319) | | Item Diameter | 20 Inches | | Item Highlight | 20" Bike Tubes Compatible with 20x3.5/4.0 MTB/Ebike/Road Fat Tubes | | Item Type Name | 20x3.5/4.0 | | Item Weight | 0.97 Kilograms | | Item Width | 4 Inches | | Manufacturer | YunSCM20210306120 | | Manufacturer Part Number | YunSCM20210306120 | | Material Type | Butyl Rubber | | Model Number | GGG120 | | Size | 2-Pack | | UPC | 750139075553 | | Valve Length | 1.57 Inches | | Valve Type | Schrader | | Wheel Size | 20 Inches | ## Product Details - **Brand:** YunSCM - **Item diameter:** 20 Inches - **Material:** Butyl Rubber - **Valve type:** Schrader - **Wheel size:** 20 Inches ## Images ![89/102-406 Heavy Duty 20 inch Fat Bike Tubes 20x3.5/4.0 Schrader AV32 - Image 1](https://m.media-amazon.com/images/I/71tVye2+neL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Frequently Bought Together - 2-PCS 20x4 Heavy Duty E-Bike Tubes 20X4.0 AV32mm (89/102-406) Inner Tubes 20" x 4.0" Compatible with 20x3.5/4.0 E-Bike Bicycle Fat Tire Tubes Schrader Valve - Ultraverse Fat Tire Liners Tube Protection Against Flats, 20, 24 and 26 inch x 4.0 tire Size, Durable Extruded Plastic Shield for Puncture Free Bike Rides – 2 Pack - ULTRAVERSE 20x4 E-Bike Fat Tire - Robust, High-Performance 20inch Fat Tyre for MTB and Ebikes, Durable All-Terrain Directional Tread, Superior Density for Street & Trail Adventures-2 Unit --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/386898444-89-102-406-heavy-duty-20-inch-fat-bike-tubes](https://www.desertcart.tn/products/386898444-89-102-406-heavy-duty-20-inch-fat-bike-tubes) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-10-16*