---
product_id: 332374055
title: "2 Pack 20\" Bike Tubes 20 x 2.125/2.40 AV32mm Valve 20\" Bicycle Tubes Compatible with 20x2.125 20 x 2.2 20x2.25 20 x 2.3 20x2.35 20 x 2.4 Bike Tire Tubes"
brand: "yunscm"
price: "€ 43.83"
currency: EUR
in_stock: true
reviews_count: 6
category: "Yun Scm"
url: https://www.desertcart.nl/products/332374055-2-pack-20-bike-tubes-20-x-2-125-2
store_origin: NL
region: Netherlands
---

# 6-9 months air retention 20" wheel compatibility 40% thicker butyl rubber 2 Pack 20" Bike Tubes 20 x 2.125/2.40 AV32mm Valve 20" Bicycle Tubes Compatible with 20x2.125 20 x 2.2 20x2.25 20 x 2.3 20x2.35 20 x 2.4 Bike Tire Tubes

**Brand:** yunscm
**Price:** € 43.83
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Ride tougher, ride longer — never miss a beat on the road!

## Quick Answers

- **What is this?** 2 Pack 20" Bike Tubes 20 x 2.125/2.40 AV32mm Valve 20" Bicycle Tubes Compatible with 20x2.125 20 x 2.2 20x2.25 20 x 2.3 20x2.35 20 x 2.4 Bike Tire Tubes by yunscm
- **How much does it cost?** € 43.83 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/332374055-2-pack-20-bike-tubes-20-x-2-125-2)

## 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

- • **Universal Fit:** Fits a wide range of 20" tires from 2.10 to 2.40 width, perfect for mountain, cruiser, and e-bikes.
- • **Heavy-Duty Durability:** 40% thicker butyl rubber boosts puncture resistance and longevity for fewer replacements.
- • **Extended Air Retention:** Maintains optimal tire pressure for 6-9 months, slashing inflation frequency by 200%.
- • **Superior Shock Absorption:** High-quality butyl rubber cushions bumps and rough terrain for a smoother, safer ride.
- • **Easy Installation & Maintenance:** AV32mm Schrader valve design ensures quick setup and hassle-free tube checks.

## Overview

This 2-pack of 20" heavy-duty bike tubes features 40% thicker butyl rubber for enhanced puncture resistance and durability. Compatible with tire widths from 2.10 to 2.40 inches, these tubes maintain air pressure for up to 9 months, reducing maintenance and improving ride safety. Designed for mountain, cruiser, and electric bikes, they deliver superior shock absorption and easy installation with AV32mm Schrader valves.

## Description

Package Includes: 2 pcs 20x2.10/2.40 AV32mm Schrader Valve heavy duty bike tubes.

Review: Nozzle size - Nozzle is small ,tube is ok
Review: They work great in my sons bike tires.

## Features

- Heavy Duty inner tube：20"x2.10"/2.40" AV32 mm (52/62-406) Heavy duty 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：20"x2.10"/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 |
| Batteries Included? | No |
| Best Sellers Rank | #3,349 in Sporting Goods ( See Top 100 in Sporting Goods ) #16 in Bike Tubes |
| Bike Type | Compatible with This Size Range of Bicycle Tires |
| Brand | YunSCM |
| Color | Black |
| Customer Reviews | 4.5 4.5 out of 5 stars (978) |
| Date First Available | 6 April 2021 |
| Department | Unisex-Adult |
| Included Components | bike tube |
| Item model number | YunSCM330124 |
| Manufacturer | YunSCM |
| Material Type | Butyl Rubber |
| Product Dimensions | 8 x 7 x 6 cm; 270 g |
| Size | 20x2.10/2.40 AV |
| Wheel Size | 20 Inches |

## Product Details

- **Brand:** YunSCM
- **Item diameter:** 20 Inches
- **Material:** Butyl Rubber
- **Valve type:** Schrader
- **Wheel size:** 20 Inches

## Images

![2 Pack 20" Bike Tubes 20 x 2.125/2.40 AV32mm Valve 20" Bicycle Tubes Compatible with 20x2.125 20 x 2.2 20x2.25 20 x 2.3 20x2.35 20 x 2.4 Bike Tire Tubes - Image 1](https://m.media-amazon.com/images/I/81H+2-kpkEL.jpg)

## Customer Reviews

### ⭐ Nozzle size
*by Q***A on 4 January 2026*

Nozzle is small ,tube is ok

### ⭐⭐⭐⭐⭐ Review
*by L***N on 20 December 2025*

They work great in my sons bike tires.

### ⭐⭐⭐⭐⭐ Review
*by ゆ***ン on 29 May 2025*

ありがとうございます！

## 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

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-01-27*