---
product_id: 581460430
title: "Fat Bike Tyre Liner, Bicycle Tube Flat Protector Compatible with 20\"/24\"/26\"/27.5/29\""
brand: "julai"
price: "¥9750"
currency: JPY
in_stock: true
reviews_count: 13
category: "Julai"
url: https://www.desertcart.jp/products/581460430-fat-bike-tyre-liner-bicycle-tube-flat-protector-compatible-20
store_origin: JP
region: Japan
---

# Lightweight 530g polyurethane 1mm thick anti-puncture shield Fits 20" to 29" fat bike tires Fat Bike Tyre Liner, Bicycle Tube Flat Protector Compatible with 20"/24"/26"/27.5/29"

**Brand:** julai
**Price:** ¥9750
**Availability:** ✅ In Stock

## Summary

> 🛡️ Ride fearless, ride farther—puncture-proof your adventure!

## Quick Answers

- **What is this?** Fat Bike Tyre Liner, Bicycle Tube Flat Protector Compatible with 20"/24"/26"/27.5/29" by julai
- **How much does it cost?** ¥9750 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/581460430-fat-bike-tyre-liner-bicycle-tube-flat-protector-compatible-20)

## Best For

- julai enthusiasts

## Why This Product

- Trusted julai brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Durable & Lightweight:** High-quality polyurethane ensures wear resistance without weighing you down
- • **Peace of Mind Warranty:** Backed by a 1-year warranty so you can pedal worry-free
- • **Effortless Installation:** Trim to size and install in minutes—no mechanic needed, just ride
- • **Ultimate Flat Protection:** Stops thorns, glass, nails & trail debris dead in their tracks
- • **Universal Fit for Fat Bikes:** Compatible with 20" to 29" tires up to 4" wide—one size covers all your rides

## Overview

The Fat Bike Tyre Liner is a 1mm thick polyurethane flat protector designed to fit fat bike tires from 20" to 29" (up to 4" wide). Lightweight at just 530g per pair, it provides durable, anti-puncture protection against thorns, glass, nails, and other trail hazards. Easy to install and backed by a 1-year warranty, it’s the essential upgrade for serious cyclists who refuse to let flats slow them down.

## Description

Shop Fat Bike Tyre Liner, Anti-puncture Inner Tube Protection Tapes, Bicycle Tube Flat Protector Compatible with up to 29x3-4". Free delivery and returns on all eligible orders.

Review: Perfect
Review: As described! Great :) - All good with fast shipment. As described! Thanks

## Features

- Anti-puncture proof belt tyre tape boom, One size Fits for fat bike tyre liner Compatible with 20"/24"/26"/27.5/29", up to 29" X 3"-4", Comes in a pairs, for two tyres.
- LxW: 2300x80mm(3.15"), Thickness: 1mm
- Made by high quality Polyurethane, light weight and wear resistant.
- Easy to install, just measure and trim it, you can stop the thorns, glass, thorns, nails and other trail debris from penetrating through and puncturing the tube.
- Warranty: One year

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CHY3NG9B |
| Batteries included? | No |
| Best Sellers Rank | 22,556 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 71 in Tyres (Sports & Outdoors) |
| Bike type | Fat Bike |
| Brand | JULAI |
| Color | Green(2pcs) |
| Customer Reviews | 3.8 3.8 out of 5 stars (462) |
| Date First Available | 25 Sept. 2023 |
| Department | Unisex-Youth, Unisex-Adult |
| Included components | No |
| Manufacturer | Ju Lai Technology |
| Manufacturer reference | JLBK200806 |
| Material type | Polyurethane |
| Number of items | 2 |
| Product Dimensions | 230.12 x 8 x 0.1 cm; 530 g |
| Size | 29x3-4" |
| Sport | Cycling |
| Weight | 459 g |
| Wheel size | 29 Inches |

## Product Details

- **Brand:** JULAI
- **Item diameter:** 29 Inches
- **Material:** Polyurethane
- **Valve type:** Schrader
- **Wheel size:** 29 Inches

## Images

![Fat Bike Tyre Liner, Bicycle Tube Flat Protector Compatible with 20"/24"/26"/27.5/29" - Image 1](https://m.media-amazon.com/images/I/6126otkRsJL.jpg)
![Fat Bike Tyre Liner, Bicycle Tube Flat Protector Compatible with 20"/24"/26"/27.5/29" - Image 2](https://m.media-amazon.com/images/I/61JGBkVwYoL.jpg)
![Fat Bike Tyre Liner, Bicycle Tube Flat Protector Compatible with 20"/24"/26"/27.5/29" - Image 3](https://m.media-amazon.com/images/I/61l7QOUfUIL.jpg)
![Fat Bike Tyre Liner, Bicycle Tube Flat Protector Compatible with 20"/24"/26"/27.5/29" - Image 4](https://m.media-amazon.com/images/I/61nb9zO1cQL.jpg)
![Fat Bike Tyre Liner, Bicycle Tube Flat Protector Compatible with 20"/24"/26"/27.5/29" - Image 5](https://m.media-amazon.com/images/I/71-jRwHxREL.jpg)

## Available Options

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

## Questions & Answers

**Q: How many count per package?**
A: 2 rolls.

**Q: How to choose size?**
A: Each roll of tyre liner is 7 FT, Fit up to 29 inch. We have different width liners, please choose the liner which is close width showed on your tyre.

**Q: Does the type of valve affect liner usage?**
A: No, different valve types do not have affect product use, there are nothing valve restrictions.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect
*by M***I on 25 January 2026*



### ⭐⭐⭐⭐⭐ As described! Great :)
*by V***M on 27 January 2024*

All good with fast shipment. As described! Thanks

### ⭐ Not great
*by K***N on 27 April 2025*

Not great got a puncture in both tubes within a month of installation! (I usually get 1 or 2 punctures a month anyway) Wheel felt a bit off with them in plus they're a nitemare to install straight!!

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.jp/products/581460430-fat-bike-tyre-liner-bicycle-tube-flat-protector-compatible-20](https://www.desertcart.jp/products/581460430-fat-bike-tyre-liner-bicycle-tube-flat-protector-compatible-20)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-07*