--- product_id: 328665651 title: "45/57-406 Heavy Duty 20\" Bike Tubes 20x1.75/2.25 Schrader AV32" brand: "yunscm" price: "189.56 DT" currency: TND in_stock: true reviews_count: 13 url: https://www.desertcart.tn/products/328665651-45-57-406-heavy-duty-20-bike-tubes-20x1-75 store_origin: TN region: Tunisia --- # 200% improved air tightness 20" universal fit 40% thicker butyl rubber 45/57-406 Heavy Duty 20" Bike Tubes 20x1.75/2.25 Schrader AV32 **Brand:** yunscm **Price:** 189.56 DT **Availability:** ✅ In Stock ## Summary > 🚴‍♂️ Upgrade your ride with unstoppable durability and comfort! ## Quick Answers - **What is this?** 45/57-406 Heavy Duty 20" Bike Tubes 20x1.75/2.25 Schrader AV32 by yunscm - **How much does it cost?** 189.56 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/328665651-45-57-406-heavy-duty-20-bike-tubes-20x1-75) ## 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:** Heavy-duty butyl rubber boosts puncture resistance and extends tube life. - • **Stay Inflated Longer:** Enhanced air tightness means fewer pump sessions and more ride time. - • **Effortless Installation:** Pre-tested and designed for quick valve alignment—get back on the road fast. - • **Shock Absorption Mastery:** Engineered to smooth out bumps with superior vibration dampening. - • **Ride Ready for Every Terrain:** Fits 20x1.75 to 20x2.25 tires—versatility that keeps you rolling. ## Overview The 45/57-406 Heavy Duty 20" Bike Tubes are crafted from 40% thicker butyl rubber with a 32mm Schrader valve, compatible with a wide range of 20" tire widths (1.75" to 2.25"). Offering 200% better air retention and superior shock absorption, these tubes deliver enhanced puncture resistance and longer-lasting performance, ideal for mountain, road, cruiser, and electric bikes. ## Features - Heavy Duty inner tube:20"x1.75"/2.25" AV32mm(45/57-406) Heavy duty bicycle replacement inner tube, 20" 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 20x1.75 20x1.90 20x1.95 20x2.0 20x2.10 20x2.125 20 x 2.20 20 x 2.25 tire tubes - 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. - 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 - 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. - 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. - Package Contains: 2PCS heavy duty bike tubes 20X1.75/2.25 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 - Important Note: When changing a bicycle inner tube, be sure to add a little air before installing it. This gives it form so it doesn't get twisted or bunch up which may cause a pinch flat. Inspect for an even bead of the tire to the rim on both sides ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B07S37JGDT | | Best Sellers Rank | 2,933 in Sports & Outdoors (See Top 100 in Sports & Outdoors) 27 in Cycling Tubes | | Bike Type | Mountain Bike | | Brand Name | YunSCM | | Compatible Tire Width Maximum | 2.13 Inches | | Compatible Tire Width Minimum | 175 Millimetres | | Country Of Origin | China | | Customer Reviews | 4.6 4.6 out of 5 stars (3,659) 4.6 out of 5 stars | | Included Components | 2PCS heavy duty bike tubes 20X1.75/2.25 inch AV32mm Schrader Valve | | Item Diameter | 20 Inches | | Item Highlight | 20" Bike Tubes Compatible with 20x1.75/1.95/2.0/2.10/2.125/2.25 City/Road/MTB Bike Tyre Tubes | | Item Type Name | 20x1.75/2.25 | | Item Weight | 0.4 Kilograms | | Item Width | 1.75 Inches | | Manufacturer | YunSCM | | Manufacturer Part Number | YYinGG034 | | Material Type | Butyl Rubber | | Model Number | 20x1.75/2.25 | | Number Of Items | 1 | | Size | 2 Count (Pack of 1) | | Upc | 723990286178 | | Valve Length | 32 Millimetres | | 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 ![45/57-406 Heavy Duty 20" Bike Tubes 20x1.75/2.25 Schrader AV32 - Image 1](https://m.media-amazon.com/images/I/712jnpTsuGL.jpg) ![45/57-406 Heavy Duty 20" Bike Tubes 20x1.75/2.25 Schrader AV32 - Image 2](https://m.media-amazon.com/images/I/61RWfTvvfJL.jpg) ![45/57-406 Heavy Duty 20" Bike Tubes 20x1.75/2.25 Schrader AV32 - Image 3](https://m.media-amazon.com/images/I/71UA7HPsfOL.jpg) ![45/57-406 Heavy Duty 20" Bike Tubes 20x1.75/2.25 Schrader AV32 - Image 4](https://m.media-amazon.com/images/I/61J2HRdTo-L.jpg) ![45/57-406 Heavy Duty 20" Bike Tubes 20x1.75/2.25 Schrader AV32 - Image 5](https://m.media-amazon.com/images/I/712aGakG9EL.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Don't buy this amazing product on amazon *by on Reviewed in the United Kingdom 29 May 2026* Don't buy this item through Amazon as their drivers don't seem to understand what a secure location is and iv had multiple items stolen. inner tube are fire tho, good durability and great price 👌 ### ⭐⭐⭐⭐⭐ YunSCM Heavy duty Bike Tubes *by on Reviewed in the United Kingdom 14 August 2026* Strong and study, very reliable ### ⭐⭐⭐⭐⭐ Quality and value for money *by on Reviewed in the United Kingdom 27 June 2026* You can’t go wrong with these100% worth theMoney ## Frequently Bought Together - 2-PCS 20" Heavy Duty Bike Tubes 20X1.75/1.95/2.125/2.25 AV Schrader Valve 20" Bicycle Tubes Compatible with 20X1.75 20 X 1.95 20X2.0 20 X 2.125 20X2.20 20X2.25 Bike Tire Tubes - Bell BMX Tires - 2 Pack 12"/14"/16"/ 20"/ 22"/24"/ 26"/27.5"/28"/29" x1.75/1.95/2.10/2.125 Bicycle Tube with 2 Tire Levers, Bicycle Tube with 32mm AV Valve, Inner Tube for Road/MTB Bike by Hydencamm (2 of One Size) --- ## 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.tn/products/328665651-45-57-406-heavy-duty-20-bike-tubes-20x1-75](https://www.desertcart.tn/products/328665651-45-57-406-heavy-duty-20-bike-tubes-20x1-75) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-10-06*