---
product_id: 316243044
title: "Heavy Duty 20x4 E-Bike Tubes 20 x 4.0 Fat Tire Tubes 2-PCS"
brand: "yunscm"
price: "€ 72.88"
currency: EUR
in_stock: true
category: "Yun Scm"
url: https://www.desertcart.hr/products/316243044-heavy-duty-20x4-e-bike-tubes-20-x-4-0
store_origin: HR
region: Croatia
---

# 200% longer air retention 40% thicker butyl rubber Fits 20x3.5-4.0 fat tires Heavy Duty 20x4 E-Bike Tubes 20 x 4.0 Fat Tire Tubes 2-PCS

**Brand:** yunscm
**Price:** € 72.88
**Availability:** ✅ In Stock

## Summary

> 🛞 Upgrade your e-bike’s backbone with tubes that outlast the ride!

## Quick Answers

- **What is this?** Heavy Duty 20x4 E-Bike Tubes 20 x 4.0 Fat Tire Tubes 2-PCS by yunscm
- **How much does it cost?** € 72.88 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/316243044-heavy-duty-20x4-e-bike-tubes-20-x-4-0)

## 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:** Ultra-durable butyl rubber resists punctures and wear, slashing maintenance downtime.
- • **Stay Inflated Longer:** Air tightness improved by 200%, keeping your tires pressurized for up to 9 months.
- • **Easy Install & Inspect:** Quick Schrader valve setup with water test tip ensures hassle-free, secure installation.
- • **Ride Smooth, Ride Strong:** Exceptional shock absorption smooths out bumps for a premium ride experience.
- • **Versatile Fit for Fat Tires:** Designed to perfectly fit 20x3.5 to 4.0 fat tires, with stretch up to 5.0+ inches.

## Overview

These Heavy Duty 20x4 E-Bike Tubes feature 40% thicker butyl rubber for superior puncture resistance and 200% better air retention, ensuring longer-lasting performance. Compatible with 20-inch fat tires (3.5 to 4.0 width), they deliver enhanced shock absorption and durability, reducing maintenance frequency and elevating your electric bike’s ride quality.

## Description

desertcart.com: Heavy Duty 20x4 E-Bike Tubes 20 x 4.0 Fat Tire Tubes 2-PCS | 20" Bike Inner Tubes Compatible with Ebikes & Electric Bicycle & Mountain Bikes & Street Bicycle Fat Tubes Schrader Valve : Sports & Outdoors

## Features

- Designed for E-bike 20x4.0 Heavy Duty inner tubes: 20x3.5/4.0 (89/102-406) Schrader Valve heavy-duty fat inner tube, we design the most suitable thick inner tube for e-bike according to the demand, which can easily meet the demand of 20"x4.0". In fact, its width can be extended to 5.0"+, in order to ensure quality, we conservatively used in the 3.5/4.0 range to ensure its life and air tightness, and reduce the frequency of wear and replacement.
- Application Scenarios: This heavy duty ebike inner tube 20x4 is compatible with the corresponding models of mountain bikes, road bikes, cruiser bikes, e bikes, electric mountain 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.
- HEAVY DUTY- Ultra Durable: Our heavy duty 20 x 4.0 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.
- 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.
- Installation: 20''x3.5''/4.0" bicycle heavy duty replacement inner tube for easy installation and removal. Check the valve position to ensure that the installation direction is correct.
- 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 |
|---------------|-------|
| ASIN | B08Y8MVG2D |
| Best Sellers Rank | #4,381 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #24 in Bike Tubes |
| Bike Type | Electric bicycle |
| Brand Name | YunSCM |
| Compatible Tire Width Maximum | 10.2 centimeters |
| Compatible Tire Width Minimum | 8.9 centimeters |
| Customer Reviews | 4.5 4.5 out of 5 stars (2,139) |
| Included Components | 2 pcs 20x3.5/4.0 AV32mm Schrader Valve heavy duty ebike tubes |
| Item Diameter | 4 inches |
| Item Highlight | 20" Bike Inner Tubes Compatible with Ebikes & Electric Bicycle & Mountain Bikes & Street Bicycle Fat Tubes Schrader Valve |
| Item Type Name | 20x3.5/4.0 |
| Item Weight | 0.97 kg |
| Item Width | 4 inches |
| Manufacturer | YunSCM20210306120 |
| Manufacturer Part Number | YunSCM20210306120 |
| Material Type | Butyl Rubber |
| Model Number | GGG120 |
| Number of Items | 2 |
| Size | 20x3.5/4.0 |
| UPC | 750139075553 |
| Valve Length | 1.57 inches |
| Valve Type | Schrader |
| Warranty Description | 180 days |
| Wheel Size | 20 inches |

## Product Details

- **Brand:** YunSCM
- **Item Diameter:** 4 inches
- **Material:** Butyl Rubber
- **Valve Type:** Schrader
- **Wheel Size:** 20 inches

## Images

![Heavy Duty 20x4 E-Bike Tubes 20 x 4.0 Fat Tire Tubes 2-PCS - Image 1](https://m.media-amazon.com/images/I/710NEA3H+NL.jpg)

## 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.hr/products/316243044-heavy-duty-20x4-e-bike-tubes-20-x-4-0](https://www.desertcart.hr/products/316243044-heavy-duty-20x4-e-bike-tubes-20-x-4-0)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-09-27*