---
product_id: 386898444
title: "YunSCM 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: "$118"
currency: NZD
in_stock: true
reviews_count: 13
category: "Yun Scm"
url: https://www.desertcart.nz/products/386898444-yunscm-20x4-fat-bike-tubes-20x4-0-e-bike-fat
store_origin: NZ
region: New Zealand
---

# 20" x 3.5/4.0" perfect fit AV32mm Schrader valve for easy inflation Premium butyl rubber for durability & shock absorption YunSCM 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:** $118
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Upgrade your ride, conquer every trail with confidence!

## Quick Answers

- **What is this?** YunSCM 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?** $118 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/386898444-yunscm-20x4-fat-bike-tubes-20x4-0-e-bike-fat)

## 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

- • **Durability Meets Comfort:** Crafted from premium butyl rubber, these tubes resist ozone, aging, and punctures while absorbing shocks for a smoother ride.
- • **Precision Fit for Fat Bikes:** Designed to perfectly match 20" x 3.5/4.0" fat tires, ensuring seamless compatibility with mountain, road, and e-bikes.
- • **Trusted by Thousands of Riders:** With over 2,000 glowing reviews and a 4.5-star rating, join the community upgrading their ride with YunSCM tubes.
- • **Ride Confidently on Any Terrain:** Enhanced shock absorption transforms rough trails into comfortable journeys, boosting safety and control.
- • **Effortless Inflation & Installation:** Equipped with a reliable AV32mm Schrader valve, making tire inflation quick and hassle-free for busy riders.

## Overview

YunSCM 20x4 Fat Bike Tubes are premium butyl rubber inner tubes designed for 20" x 3.5/4.0" fat tires, featuring an AV32mm Schrader valve for easy inflation. Engineered for durability, shock absorption, and compatibility with mountain, road, and e-bikes, these tubes offer a comfortable, safe ride backed by thousands of positive reviews.

## 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 | 5,873 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 54 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 (2,039) |
| 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

![YunSCM 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)
![YunSCM 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 2](https://m.media-amazon.com/images/I/51UHgoOSZuL.jpg)
![YunSCM 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 3](https://m.media-amazon.com/images/I/71kGfROkP2L.jpg)
![YunSCM 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 4](https://m.media-amazon.com/images/I/71cPdQrss9L.jpg)
![YunSCM 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 5](https://m.media-amazon.com/images/I/81Wsj6m3oaL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## 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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---

*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-27*