---
product_id: 386898444
title: "20x4 Fat Bike Tubes 20x4.0 E-Bike Fat Tyre Tubes 20\" Compatible with 20x3.50/4.0 Mountain/Road/e Bike/Bicycle Tube 20x3.5 20 x 4.0| AV32mm Schrader Valve"
brand: "yunscm"
price: "A$11"
currency: AUD
in_stock: true
reviews_count: 13
category: "Yun Scm"
url: https://www.desertcart.com.au/products/386898444-20x4-fat-bike-tubes-20x4-0-e-bike-fat-tyre
store_origin: AU
region: Australia
---

# 20" wheel size fit AV32mm Schrader valve Premium butyl rubber durability 20x4 Fat Bike Tubes 20x4.0 E-Bike Fat Tyre Tubes 20" Compatible with 20x3.50/4.0 Mountain/Road/e Bike/Bicycle Tube 20x3.5 20 x 4.0| AV32mm Schrader Valve

**Brand:** yunscm
**Price:** A$11
**Availability:** ✅ In Stock

## Summary

> 🚲 Ride Bold, Ride Smooth – Upgrade Your Fat Bike Game!

## Quick Answers

- **What is this?** 20x4 Fat Bike Tubes 20x4.0 E-Bike Fat Tyre Tubes 20" Compatible with 20x3.50/4.0 Mountain/Road/e Bike/Bicycle Tube 20x3.5 20 x 4.0| AV32mm Schrader Valve by yunscm
- **How much does it cost?** A$11 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/386898444-20x4-fat-bike-tubes-20x4-0-e-bike-fat-tyre)

## 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

- • **Perfect Fit for Fat Bikes:** Designed to flawlessly fit 20x3.5 to 20x4.0 fat tires, ensuring seamless compatibility with your mountain, road, or e-bike.
- • **Enhanced Riding Comfort & Safety:** Absorbs road impacts effectively, delivering a smoother, safer ride on all terrains.
- • **Quick & Hassle-Free Installation:** Easy to install with a simple inflation guide, saving you time and preventing pinch flats.
- • **Durable Butyl Rubber Construction:** Crafted from high-quality butyl rubber for superior sealing, ozone resistance, and long-lasting shock absorption.
- • **Trusted Quality with Responsive Support:** Backed by thousands of 4.5-star reviews and dedicated after-sales service for peace of mind.

## Overview

YunSCM 20x4 Fat Bike Tubes are premium butyl rubber inner tubes designed for 20-inch fat tires ranging from 3.5 to 4.0 inches. Featuring a reliable AV32mm Schrader valve, these tubes offer excellent sealing, ozone and aging resistance, and shock absorption for enhanced comfort and safety. Easy to install and backed by strong customer satisfaction, they’re the perfect upgrade for mountain, road, and e-bikes.

## Description

Shop YunSCM 2-Pack Fat Tyre Bike Inner Tubes 20 x 4.0 AV32mm Schrader Valve 20" Fat Tyre Tubes Compatible with 20x3.5/4.0 Mountain Bike/Bicycle Fat Tyre Tubes. Free delivery and returns on all eligible orders.

Review: Satisfy - Good quality 👍
Review: Inner tube review - Excellent quality, nice and thick as described. Quick delivery. Would recommend

## Features

- 【Size】Bike tyre tube fits 20" x 3.5/4.0" AV32mm Valve tyre tubes.
- 【Installation Precautions】Please check the side of your tyre for the tyre size your bike uses.
- 【High Quality】The bike inner tube is made from premium butyl rubber. It has the advantages of good sealing performance, ozone resistance, aging resistance, shock absorption, electrical insulation.
- 【Easy Installation】The tube installation is quick and easy. Please follow inflation guide when airing a tire from a complete flat. Save time and effort, replace the old tube in a few minutes.
- 【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.
- 【Comfortable & Safe】After replacing the butyl rubber tube, it absorbs the impact on the uneven road surface, making riding more comfortable and safe.
- 【After-sales Service】If there is any problem about the product, you can contact us, we will try our best to solve for you!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08Y8MVG2D |
| Batteries included? | No |
| Best Sellers Rank | 7,344 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 50 in Cycling Tubes |
| Bike type | Electric bicycle |
| Brand | YunSCM |
| Color | 20x3.50/4.0 89/102-406 |
| Customer Reviews | 4.5 4.5 out of 5 stars (2,015) |
| Date First Available | 8 Mar. 2021 |
| Department | Unisex |
| Item model number | GGG120 |
| Manufacturer | YunSCM20210306120 |
| Material type | Butyl Rubber |
| Product Dimensions | 8 x 7 x 3 cm; 970 g |
| Size | 2-Pack |
| Style | riding |
| Wheel size | 20 Inches |

## Product Details

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

## Images

![20x4 Fat Bike Tubes 20x4.0 E-Bike Fat Tyre Tubes 20" Compatible with 20x3.50/4.0 Mountain/Road/e Bike/Bicycle Tube 20x3.5 20 x 4.0| AV32mm Schrader Valve - Image 1](https://m.media-amazon.com/images/I/71tVye2+neL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Satisfy
*by M***D on 8 October 2025*

Good quality 👍

### ⭐⭐⭐⭐⭐ Inner tube review
*by A***R on 15 May 2025*

Excellent quality, nice and thick as described. Quick delivery. Would recommend

### ⭐⭐⭐⭐⭐ Great value for money
*by M***T on 3 October 2025*

As described

## 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

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**Shop now:** [https://www.desertcart.com.au/products/386898444-20x4-fat-bike-tubes-20x4-0-e-bike-fat-tyre](https://www.desertcart.com.au/products/386898444-20x4-fat-bike-tubes-20x4-0-e-bike-fat-tyre)

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-05*