---
product_id: 328665651
title: "20\" Heavy Duty Bike Tubes 20x1.75 20x1.95 20x2.0 20x2.10 20x2.125 20x2.25 ETRTO 45/57-406 AV32mm Schrader Valve Compatible with 20x1.75/2.125 20x1.75/2.25 Road/MTB Bike Tyre Tubes"
brand: "yunscm"
price: "R659"
currency: ZAR
in_stock: true
url: https://www.desertcart.co.za/products/328665651-20-heavy-duty-bike-tubes-20x1-75-20x1-95-20x2
store_origin: ZA
region: South Africa
---

# 200% better air retention Fits 7 tire sizes 20x1.75-2.25 40% thicker butyl rubber 20" Heavy Duty Bike Tubes 20x1.75 20x1.95 20x2.0 20x2.10 20x2.125 20x2.25 ETRTO 45/57-406 AV32mm Schrader Valve Compatible with 20x1.75/2.125 20x1.75/2.25 Road/MTB Bike Tyre Tubes

**Brand:** yunscm
**Price:** R659
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Upgrade your ride with tubes that go the distance!

## Quick Answers

- **What is this?** 20" Heavy Duty Bike Tubes 20x1.75 20x1.95 20x2.0 20x2.10 20x2.125 20x2.25 ETRTO 45/57-406 AV32mm Schrader Valve Compatible with 20x1.75/2.125 20x1.75/2.25 Road/MTB Bike Tyre Tubes by yunscm
- **How much does it cost?** R659 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/328665651-20-heavy-duty-bike-tubes-20x1-75-20x1-95-20x2)

## 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

- • **Smooth Out Every Bump:** Superior shock absorption minimizes vibrations, delivering a comfortable ride on rough terrain.
- • **Built to Endure the Long Haul:** Heavy-duty butyl rubber composite boosts puncture resistance and abrasion durability for extended tube life.
- • **Stay Inflated, Ride Confident:** Enhanced air tightness keeps tire pressure stable 2x longer, reducing pump stops and boosting safety.
- • **Universal Fit for Versatile Riders:** Compatible with multiple 20-inch MTB, road, cruiser & e-bikes tire sizes for seamless upgrades.
- • **Ready to Roll, Right Out of the Box:** Includes 2 tubes with Schrader valves, easy install & pre-check tips to keep you riding worry-free.

## Overview

YunSCM 20" Heavy Duty Bike Tubes are engineered with 40% thicker butyl rubber for superior puncture resistance and 200% improved air retention. Compatible with a wide range of 20-inch tires (1.75 to 2.25 width), these tubes deliver enhanced durability and shock absorption, ideal for mountain, road, cruiser, and e-bikes. Each pack includes two Schrader valve tubes designed for easy installation and long-lasting performance, ensuring fewer maintenance stops and a smoother, safer ride.

## Description

20" Heavy Duty Bike Tubes 20x1.75 20x1.95 20x2.0 20x2.10 20x2.125 20x2.25 ETRTO 45/57-406 AV32mm Schrader Valve Compatible with 20x1.75/2.125 20x1.75/2.25 Road/MTB Bike Tyre Tubes

## Features

- Compatible Size: 20x1.75/1.95/2.125/2.25 AV(47/57-406) 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 20x1.75 20x1.90 20x1.95 20x2.0 20x2.10 20x2.125 20x2.25 47-406 50-406 54-406 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 20X1.75/2.125/2.25 inch AV33mm 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 |
|---------------|-------|
| Bike type | Mountain Bike |
| Color | 2-PCS Black 1.75/2.25 |
| Size | 508 x 44-54 mm |
| Material type | Butyl Rubber |
| Number of items | 1 |
| Wheel size | 2E+1 Inches |
| Batteries included? | No |
| Brand | YunSCM |
| Manufacturer | YunSCM |
| Item model number | 20x1.75/2.25 |
| Package Dimensions | 15.2 x 13.2 x 5.4 cm; 400 g |
| ASIN | B07S37JGDT |

## Product Details

- **Brand:** YunSCM
- **Valve type:** Schrader
- **Material:** Butyl Rubber
- **Wheel size:** 2E+1 Inches
- **Item diameter:** 2E+1 Inches

## Images

![20" Heavy Duty Bike Tubes 20x1.75 20x1.95 20x2.0 20x2.10 20x2.125 20x2.25 ETRTO 45/57-406 AV32mm Schrader Valve Compatible with 20x1.75/2.125 20x1.75/2.25 Road/MTB Bike Tyre Tubes - Image 1](https://m.media-amazon.com/images/I/71wsIizVGOL.jpg)

## Available Options

This product comes in different **Colour Name** options.

## 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)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-03-02*