--- product_id: 332374055 title: "2-PCS 20\" Heavy Duty Bike Tubes 20x2.125/2.40 32mm Schrader Valve 20 inch Bicycle Tubes Fit 20x2.10 20x2.125 20x2.20 20x2.25 20x2.3 20x2.35 20x2.4 Tire Tubes" brand: "yunscm" price: "¥8390" currency: JPY in_stock: true reviews_count: 6 category: "Yun Scm" url: https://www.desertcart.jp/products/332374055-2-pcs-20-heavy-duty-bike-tubes-20x2-125-2 store_origin: JP region: Japan --- # 6-9 months air retention 20-inch universal fit 40% thicker butyl rubber 2-PCS 20" Heavy Duty Bike Tubes 20x2.125/2.40 32mm Schrader Valve 20 inch Bicycle Tubes Fit 20x2.10 20x2.125 20x2.20 20x2.25 20x2.3 20x2.35 20x2.4 Tire Tubes **Brand:** yunscm **Price:** ¥8390 **Availability:** ✅ In Stock ## Summary > 🛠️ Upgrade your ride with unstoppable durability and comfort! ## Quick Answers - **What is this?** 2-PCS 20" Heavy Duty Bike Tubes 20x2.125/2.40 32mm Schrader Valve 20 inch Bicycle Tubes Fit 20x2.10 20x2.125 20x2.20 20x2.25 20x2.3 20x2.35 20x2.4 Tire Tubes by yunscm - **How much does it cost?** ¥8390 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/332374055-2-pcs-20-heavy-duty-bike-tubes-20x2-125-2) ## 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 - • **Built to Endure:** 40% thicker butyl rubber boosts puncture resistance and durability for fewer replacements. - • **Long-Lasting Air Seal:** Maintains optimal tire pressure for up to 9 months, reducing inflation frequency and enhancing safety. - • **Shock Absorbing Comfort:** Heavy-duty butyl rubber absorbs road vibrations, delivering a smoother, more comfortable ride. - • **Universal Compatibility:** Fits a wide range of 20-inch tires from 2.10 to 2.40 width — one solution for multiple rides. - • **Easy Installation & Maintenance:** 32mm Schrader valve and clear valve positioning make tube swaps quick and hassle-free. ## Overview These 2-pack 20-inch heavy duty bike tubes feature 40% thicker butyl rubber and a 32mm Schrader valve, compatible with tire widths from 2.10 to 2.40. Engineered for superior puncture resistance and air retention lasting 6-9 months, they deliver enhanced ride comfort and reduced maintenance frequency—perfect for mountain, road, cruiser, and electric bikes. ## Description Buy 2-PCS 20" Heavy Duty Bike Tubes 20x2.125/2.40 32mm Schrader Valve 20 inch Bicycle Tubes Fit 20x2.10 20x2.125 20x2.20 20x2.25 20x2.3 20x2.35 20x2.4 Tire Tubes online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase. Review: Nozzle size - Nozzle is small ,tube is ok Review: Heavy duty! - These probably double thickness compared to bike shop or walmart. They seem great but I have ran them yet! ## Features - Heavy Duty inner tube: 20x2.10/2.40 AV32mm (52/62-406) bicycle replacement inner tube, these inner tubes are ideal for a wide range of applications. Enhanced the ductility of the heavy load tire, so that the scope of application is expanded, Compatible with 20x2.10, 20x2.125, 20x2.20, 20x2.25, 20x2.3 ,20x2.35 20x2.4 tires. - HEAVY DUTY - Air Tightness: Using high elasticity and high quality butyl rubber and EPDM rubber, the thickness is increased by 40%, and the air tightness of the inner tube is increased by 200% than that of the ordinary butyl inner tube; After inflation, the tire can maintain a higher air pressure for 6-9 months, greatly reducing the inflation frequency. Good air tightness helps keep tire pressure stable, thus improving driving safety. - HEAVY DUTY- Ultra Durable: Our heavy duty inner tubes have higher puncture resistance than ordinary inner tubes, and the thicker body can withstand more friction and wear, thus extending the service life of the tube, reducing replacement frequency and maintenance costs. And in long-term use. - 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 - Installation: 20x2.10/2.40 bicycle heavy duty replacement inner tube for easy installation and removal. Check the valve position to ensure that the installation direction is correct - This heavy duty inner tube is compatible with the corresponding models of mountain bikes, road bikes, Cruiser bikes, electric bikes; At the same time, the increase in thickness can meet the needs of the longer driving range and load of the prevailing electric bicycles. - 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 - We hope to do better in terms of tire quality in order to provide you with better service and satisfactory products; If you have any questions about product quality within a year, you can contact us; You need to provide relevant pictures and information so that we can respond quickly and save you valuable time ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B091BT6TS2 | | Best Sellers Rank | #6,684 in Sporting Goods ( See Top 100 in Sporting Goods ) #33 in Bike Tubes | | Bike Type | Compatible with This Size Range of Bicycle Tires | | Brand | YunSCM | | Brand Name | YunSCM | | Compatible Tire Width Maximum | 24 Millimeters | | Compatible Tire Width Minimum | 21 Millimeters | | Country of Publication | China | | Customer Reviews | 4.5 out of 5 stars 1,101 Reviews | | Included Components | bike tube | | Item Diameter | 20 Inches | | Item Type Name | bike tube | | Item Width | 2.4 Inches | | Item diameter | 20 Inches | | Item width | 2.4 Inches | | Manufacturer | YunSCM | | Manufacturer Part Number | YunSCM330124 | | Material | Butyl Rubber | | Material Type | Butyl Rubber | | Model Number | YunSCM330124 | | Number of Items | 2 | | Size | 20x2.10/2.40 AV | | UPC | 750139075621 | | Valve Length | 1.57 Inches | | Valve Type | Schrader | | Valve type | Schrader | | Warranty Description | NO | | Wheel Size | 20 Inches | | Wheel size | 20 Inches | ## Product Details - **Brand:** YunSCM - **Item diameter:** 20 Inches - **Material:** Butyl Rubber - **Valve type:** Schrader - **Wheel size:** 20 Inches ## Images ![2-PCS 20" Heavy Duty Bike Tubes 20x2.125/2.40 32mm Schrader Valve 20 inch Bicycle Tubes Fit 20x2.10 20x2.125 20x2.20 20x2.25 20x2.3 20x2.35 20x2.4 Tire Tubes - Image 1](https://m.media-amazon.com/images/I/71zwbcBP-pL.jpg) ![2-PCS 20" Heavy Duty Bike Tubes 20x2.125/2.40 32mm Schrader Valve 20 inch Bicycle Tubes Fit 20x2.10 20x2.125 20x2.20 20x2.25 20x2.3 20x2.35 20x2.4 Tire Tubes - Image 2](https://m.media-amazon.com/images/I/71Got6xNsgL.jpg) ![2-PCS 20" Heavy Duty Bike Tubes 20x2.125/2.40 32mm Schrader Valve 20 inch Bicycle Tubes Fit 20x2.10 20x2.125 20x2.20 20x2.25 20x2.3 20x2.35 20x2.4 Tire Tubes - Image 3](https://m.media-amazon.com/images/I/61MaWk0iDEL.jpg) ![2-PCS 20" Heavy Duty Bike Tubes 20x2.125/2.40 32mm Schrader Valve 20 inch Bicycle Tubes Fit 20x2.10 20x2.125 20x2.20 20x2.25 20x2.3 20x2.35 20x2.4 Tire Tubes - Image 4](https://m.media-amazon.com/images/I/61uOJG9FspL.jpg) ![2-PCS 20" Heavy Duty Bike Tubes 20x2.125/2.40 32mm Schrader Valve 20 inch Bicycle Tubes Fit 20x2.10 20x2.125 20x2.20 20x2.25 20x2.3 20x2.35 20x2.4 Tire Tubes - Image 5](https://m.media-amazon.com/images/I/81zt78fovJL.jpg) ## Customer Reviews ### ⭐ Nozzle size *by Q***A on 4 January 2026* Nozzle is small ,tube is ok ### ⭐⭐⭐⭐⭐ Heavy duty! *by T***D on 27 June 2026* These probably double thickness compared to bike shop or walmart. They seem great but I have ran them yet! ### ⭐⭐⭐⭐⭐ Todo bien *by S***A on 26 September 2025* Todo perfecto ## Frequently Bought Together - 2-PCS 20" Heavy Duty Bike Tire Tubes 20x2.10/2.40 AV32 MM Schrader Valve (52/62-406) 20 Bicycle Inner Tubes Compatible with 20 x 2.10 20x2.125 20x2.20 20x2.25 20x2.3 20x2.35 20x2.4 Tire Tubes - Bike Tire Liner, Inner Tube Bicycle Flat Protector Compatible with 12" 16" 18" 20" 24" 26" 27.5" 29" - Slime 10003 Bike Tube Puncture Repair Sealant, Prevent and Repair, suitable for all Bicycles, Non-Toxic, Eco-Friendly, 8oz bottle --- ## 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/332374055-2-pcs-20-heavy-duty-bike-tubes-20x2-125-2](https://www.desertcart.jp/products/332374055-2-pcs-20-heavy-duty-bike-tubes-20x2-125-2) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-09-04*