---
product_id: 344016089
title: "2-Pack 20\" Bike Inner Tubes 20x4.0/4.5 AV32mm Schrader Vavle Super Automatic Repair Self-Sealing Puncture Resistant Compatible with 20x4.0/4.5 Inch Fat Tyre Bicycle Tubes"
brand: "yunscm"
price: "19511 som"
currency: KGS
in_stock: true
url: https://www.desertcart.kg/products/344016089-2-pack-20-bike-inner-tubes-20x4-0-4-5
store_origin: KG
region: Kyrgyzstan
---

# Repairs in 5-8s Cold weather use Self-repairing 2-Pack 20" Bike Inner Tubes 20x4.0/4.5 AV32mm Schrader Vavle Super Automatic Repair Self-Sealing Puncture Resistant Compatible with 20x4.0/4.5 Inch Fat Tyre Bicycle Tubes

**Brand:** yunscm
**Price:** 19511 som
**Availability:** ✅ In Stock

## Summary

> 🚲 Never let a flat tire slow you down!

## Quick Answers

- **What is this?** 2-Pack 20" Bike Inner Tubes 20x4.0/4.5 AV32mm Schrader Vavle Super Automatic Repair Self-Sealing Puncture Resistant Compatible with 20x4.0/4.5 Inch Fat Tyre Bicycle Tubes by yunscm
- **How much does it cost?** 19511 som with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kg](https://www.desertcart.kg/products/344016089-2-pack-20-bike-inner-tubes-20x4-0-4-5)

## 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

- • **⚡ Quick Fix:** Repairs small punctures in just 5-8 seconds, keeping you on the move.
- • **🌍 Travel Ready:** Designed for all weather conditions, from sunny rides to chilly adventures.
- • **💪 Built to Last:** Thicker design ensures durability and longevity for your biking needs.
- • **🔧 Hassle-Free Maintenance:** Say goodbye to flat tires and hello to effortless repairs.
- • **🚴‍♂️ Ride with Confidence:** Experience ultimate puncture protection with our self-sealing technology.

## Overview

The 2 Pack 20" Self Sealing Fat Tyre Bike Tubes are designed for 20x4.0/4.5 inch fat tire bicycles, featuring AV32mm Schrader valves. These tubes come pre-installed with sealant for maximum puncture resistance and can self-repair small holes in just 5-8 seconds. Ideal for various weather conditions, they ensure a reliable and durable biking experience.

## Description

YunSCM 2-Pack 20" Bike Inner Tubes 20x4.0/4.5 AV32mm Schrader Vavle Super Automatic Repair Self-Sealing Puncture Resistant Compatible with 20x4.0/4.5 Inch Fat Tyre Bicycle Tubes

## Features

- ‍🗽【SIZE】AV32mm Valve (Regular valves). Compatible with 20x4.0/4.5 fat tyre tubes
- ‍🗽【Easy To USE 】The Self Sealing Bike Inner Tube is a self-repair for some small holes or very fine cracks. For example, after a long time, some places will leak air quietly, accidentally hit nails and other problems, which are easy to repair. It is worth noting that our self-repairing inner tube can be used normally at room temperature and 0~-15℃, and it is more conducive to travel in cold weather.
- ‍🗽【Please note】 1. Because the Self Sealing fluid is flowing, in order to prevent the liquid from flowing out during operation, please do not concentrate the center of gravity or the liquid near the air nozzle when pumping up.
- 🗽【Safe Bike Tyres】 Pre-installed with Sealant to provide maximum puncture protection and prevent flat tires on your bike.The self-repairing inner tube is a thicker design, which is more durable than the normal inner tower. The bicycle inner tube rolls through the tire repair liquid to automatically fill the punctured area. After testing, the leak can be repaired within 5-8 seconds under normal conditions.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Bike Type | Compatible with This Size Range of Bicycle Tires |
| Material Type | Butyl Rubber |
| Wheel Size | 20 Inches |
| Batteries Included? | No |
| Brand | YunSCM |
| Manufacturer | YunSCM |
| Item model number | YunSCM2020110402 |
| Package Dimensions | 20.29 x 14.3 x 13.89 cm; 1.65 Kilograms |
| ASIN | B08MQ4P879 |

## Product Details

- **Brand:** YunSCM
- **Valve Type:** Schrader
- **Material:** Butyl Rubber
- **Bike Type:** Compatible with This Size Range of Bicycle Tires
- **Wheel Size:** 20 Inches

## Images

![2-Pack 20" Bike Inner Tubes 20x4.0/4.5 AV32mm Schrader Vavle Super Automatic Repair Self-Sealing Puncture Resistant Compatible with 20x4.0/4.5 Inch Fat Tyre Bicycle Tubes - Image 1](https://m.media-amazon.com/images/I/61nk2qx60cL.jpg)

## Questions & Answers

**Q: Does anyone have any experience with a puncture with these tires? Did they work?**
A: Yeah, I bought these in January and both of them were brought down by holes smaller than a pin hole. Don't waste your time on these.

**Q: What's the Psi for the inner tube**
A: PSI is on the tire not the tube.  Probably 20 to 30.

**Q: In case of a large puncture can these tubes be patched in the normal way?**
A: I don't know, but I would think you could patch them. The tubes look and feel like a normal tube.

## Frequently Bought Together

- 2-PCS 20x4 Heavy Duty Fat E-Bike Tubes 20 x 4.0/4.5 AV32mm Super Automatic Repair, Self-Sealing, Puncture Resistant Compatible with 20x4 20x4 1/4 20x4.25 20x4.50Bike Bicycle Tire Tubes Schrader Valve
- Fat Bike Tire Liner, Bicycle Tube Flat Protector Compatible with 20"/24"/26"/27.5/29"
- HEB VIPERESS 20x4.0 Fat Tire - Puncture Resistant Ebike Tires, 20x4 Fat Bike Tire for Electric Bike, MTB, Heavy Duty, All Terrain Tire for Street/Trail Riding (Qty 2 - Silver Logo, 20 x 4 Fat Tire)

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**Shop now:** [https://www.desertcart.kg/products/344016089-2-pack-20-bike-inner-tubes-20x4-0-4-5](https://www.desertcart.kg/products/344016089-2-pack-20-bike-inner-tubes-20x4-0-4-5)

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*Product available on Desertcart Kyrgyzstan*
*Store origin: KG*
*Last updated: 2026-02-17*