---
product_id: 537777247
title: "Bike Tire Liner, Inner Tube Bicycle Flat Protector Compatible with 12\" 16\" 18\" 20\" 24\" 26\" 27.5\" 29\""
brand: "julai"
price: "€ 31.77"
currency: EUR
in_stock: true
reviews_count: 8
category: "Julai"
url: https://www.desertcart.com.cy/products/537777247-bike-tire-liner-inner-tube-bicycle-flat-protector-compatible-12
store_origin: CY
region: Cyprus
---

# Lightweight & wear-resistant 1mm thick PU shield Fits 12"-29" tires Bike Tire Liner, Inner Tube Bicycle Flat Protector Compatible with 12" 16" 18" 20" 24" 26" 27.5" 29"

**Brand:** julai
**Price:** € 31.77
**Availability:** ✅ In Stock

## Summary

> 🛡️ Ride fearless, ride farther—ditch flats for good!

## Quick Answers

- **What is this?** Bike Tire Liner, Inner Tube Bicycle Flat Protector Compatible with 12" 16" 18" 20" 24" 26" 27.5" 29" by julai
- **How much does it cost?** € 31.77 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/537777247-bike-tire-liner-inner-tube-bicycle-flat-protector-compatible-12)

## 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

- • **Trusted Reliability:** Backed by a 1-year warranty and glowing reviews from over 1,100 riders.
- • **Effortless Installation:** Trim-to-fit design lets you upgrade protection in minutes—no mechanic needed.
- • **Lightweight Peace of Mind:** Adds minimal weight while drastically reducing flat tire risks on every ride.
- • **Durable Polyurethane Armor:** Crafted from high-quality, wear-resistant PU to block thorns, glass, and nails.
- • **Universal Tire Compatibility:** Seamlessly fits 12" to 29" bike tires for ultimate versatility.

## Overview

The JULAI Bike Tire Liner is a lightweight, 1mm thick polyurethane flat protector compatible with a wide range of tire sizes from 12" to 29". Designed for easy trimming and installation, it shields your inner tubes from punctures caused by thorns, glass, and nails, enhancing ride reliability. With over 1,100 positive reviews and a 1-year warranty, it’s the smart upgrade for any cyclist seeking hassle-free rides.

## Description

desertcart.com : Bike Tire Liner, Bicycle Tube Flat Protector Compatible with 12" 16" 18" 20" 24" 26" 27.5" 29" : Sports & Outdoors

Review: They fit a wide range of tire sizes and were easy to install - I installed these tire liners on my bike and they’ve been a great upgrade. They fit a wide range of tire sizes and were easy to install—just measure, trim, and place them inside the tire. The material feels lightweight but durable, and it doesn’t affect how the bike rides. Since adding them, I’ve had much better protection against thorns, glass, and other trail debris. They give me extra peace of mind when riding and have already helped prevent flats. Overall, these liners are an affordable, simple solution for anyone looking to reduce punctures and keep riding without constant tube changes.
Review: They work! - Great product NO more flat tires . Very happy ,easy to install I started with new tire and tube.

## Features

- One size Fits for bike tire 12" 16" 18" 20" 24" 26" 27.5" 29", Comes in one pair, for two tires.
- LxW: 2300x34mm, 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 | B0C5R9X5DS |
| Best Sellers Rank | #4,338 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #7 in Bike Tires |
| Bike Type | Mountain Bike |
| Brand | JULAI |
| Brand Name | JULAI |
| Compatible Tire Width Maximum | 34 Millimeters |
| Compatible Tire Width Minimum | 34 Millimeters |
| Customer Reviews | 4.3 out of 5 stars 1,118 Reviews |
| Included Components | No |
| Item Diameter | 29 Inches |
| Item Width | 34 Millimeters |
| Manufacturer | Ju Lai Technology |
| Material | Polyurethane |
| Material Type | Polyurethane |
| UPC | 740283686170 |
| Valve Type | Schrader |
| Warranty Description | 1 year |
| Wheel Size | 29 Inches |

## Product Details

- **Brand:** JULAI
- **Valve Type:** Schrader
- **Material:** ‎Polyurethane
- **Wheel Size:** 29 Inches
- **Item Diameter:** 29 Inches

## Images

![Bike Tire Liner, Inner Tube Bicycle Flat Protector Compatible with 12" 16" 18" 20" 24" 26" 27.5" 29" - Image 1](https://m.media-amazon.com/images/I/51stNyZXnzL.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 tire 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 tire.

**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

### ⭐⭐⭐⭐⭐ They fit a wide range of tire sizes and were easy to install
*by R***K on January 21, 2026*

I installed these tire liners on my bike and they’ve been a great upgrade. They fit a wide range of tire sizes and were easy to install—just measure, trim, and place them inside the tire. The material feels lightweight but durable, and it doesn’t affect how the bike rides. Since adding them, I’ve had much better protection against thorns, glass, and other trail debris. They give me extra peace of mind when riding and have already helped prevent flats. Overall, these liners are an affordable, simple solution for anyone looking to reduce punctures and keep riding without constant tube changes.

### ⭐⭐⭐⭐⭐ They work!
*by F***E on January 10, 2026*

Great product NO more flat tires . Very happy ,easy to install I started with new tire and tube.

### ⭐⭐⭐⭐⭐ Affordable tube liner
*by A***R on November 12, 2025*

Good price for a liner, but a bit tricky to install if this is your first time doing it. This liner does not have adhesive backing on it to stick to the inside of the tire. So, be prepared to have wiggle the liner in between the tube and the tire. Tube should be inflated enough to have from, but not inflated enough for it to be difficult for the liner to slide in between the too. After cutting the liner to the correct size, make sure that it’s centered all the way around the tube. If it’s not and the liner is slid to one side in any area of the tire, the tire will wobble.

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**Shop now:** [https://www.desertcart.com.cy/products/537777247-bike-tire-liner-inner-tube-bicycle-flat-protector-compatible-12](https://www.desertcart.com.cy/products/537777247-bike-tire-liner-inner-tube-bicycle-flat-protector-compatible-12)

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*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-03-02*