---
product_id: 378769905
title: "Heavy Duty 2 mm Motorcycle Inner Tube 80/100×21 — Butyl Rubber, tr‑4 Valve, Extra Thick Replacement Tube"
brand: "tusk"
price: "€ 85.41"
currency: EUR
in_stock: true
reviews_count: 5
category: "Tusk"
url: https://www.desertcart.sk/products/378769905-heavy-duty-2-mm-motorcycle-inner-tube-80-100-21
store_origin: SK
region: Slovakia
---

# Premium butyl rubber resists heat & aging Centered TR-4 valve for easy inflation & rim fit 2 mm extra thick wall for max puncture resistance Heavy Duty 2 mm Motorcycle Inner Tube 80/100×21 — Butyl Rubber, tr‑4 Valve, Extra Thick Replacement Tube

**Brand:** tusk
**Price:** € 85.41
**Availability:** ✅ In Stock

## Summary

> 🛞 Ride tougher, ride longer — never get sidelined by flats again!

## Quick Answers

- **What is this?** Heavy Duty 2 mm Motorcycle Inner Tube 80/100×21 — Butyl Rubber, tr‑4 Valve, Extra Thick Replacement Tube by tusk
- **How much does it cost?** € 85.41 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/378769905-heavy-duty-2-mm-motorcycle-inner-tube-80-100-21)

## Best For

- tusk enthusiasts

## Why This Product

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

## Key Features

- • **Effortless Inflation:** Centered TR-4 valve stem fits most rims for quick, hassle-free tire inflation.
- • **Unmatched Durability:** 2 mm thick walls shield you from flats and abrasions on the toughest trails.
- • **Trail-Ready Reliability:** Ideal as a dependable backup or upgrade for daily rides and rugged off-road adventures.
- • **Long-Lasting Air Retention:** Premium butyl rubber keeps your ride smooth with superior air hold and heat resistance.
- • **Precision Fit for 21" Tires:** Engineered exactly for 80/100×21 sizing to match your front tire perfectly.

## Overview

The Tusk Heavy Duty 2 mm Motorcycle Inner Tube (80/100×21) is crafted from premium butyl rubber with an extra-thick wall to deliver superior puncture resistance and air retention. Featuring a centered TR-4 valve for compatibility with most rims, this tube is precision-sized for common 21" front tires, making it the perfect upgrade or reliable spare for trail and street riders seeking durability and peace of mind.

## Description

The Tusk heavy duty 2 mm motorcycle inner tube in size 80/100×21 is built for riders who want more durability than typical stock tubes. The added thickness helps resist pinch flats and abrasion when riding challenging terrain or over sharp edges. Made from quality butyl rubber, this tube balances flexibility with strong air retention and longevity. The TR‑4 valve stem is centered for compatibility with most rims, ensuring dependable access for inflation. Whether you're repairing a damaged tube or carrying a trusted spare for off‑road rides, this tube is ready. Its 80/100×21 specification fits many 21" front tires used in dual sport and enduro setups. Important note: Always verify your tire and rim compatibility before installation and ensure there is no rim damage or sharp edges. Use this tube for trail, street, or mixed terrain riding. It makes a practical upgrade over standard tubes, and a reliable option to carry in your toolkit.

Review: Exactly what I ordered
Review: Good heavy high quality rubber and nice looking valve stems. I expect them to last a long time.

## Features

- Extra Thick 2 mm Wall — provides stronger puncture resistance versus standard tubes
- Premium Butyl Rubber — good air retention and resistance to aging / heat
- Centered TR-4 Valve Stem — fits common rim designs and allows easy inflation
- Precise 80/100×21 Sizing — engineered to match common 21" front tire dimensions
- Reliable Backup or Replacement — ideal for trail use, daily repair kit, or upgrade

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09DR54XN9 |
| ASIN  | B09DR54XN9 |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #203,506 in Automotive ( See Top 100 in Automotive ) #20,330 in Motorcycles Accessories & Parts |
| Color | Black |
| Customer Reviews | 4.6 4.6 out of 5 stars (210) |
| Customer reviews | 4.6 4.6 out of 5 stars (210) |
| Cutting Diameter | 2 Millimeters |
| Date First Available | 6 September 2021 |
| Date First Available  | 6 September 2021 |
| Item Package Quantity | 1 |
| Item Weight | 762 g |
| Item diameter | 2 Millimeters |
| Manufacturer | Tusk |
| Manufacturer  | Tusk |
| Manufacturer reference | 193-649-0001 |
| Manufacturer reference  | 193-649-0001 |
| Material | Rubber |
| Package Dimensions  | 32.59 x 17.2 x 8.1 cm; 762 g |
| Part number | 193-649-0001 |
| Size | 0.1" x 3.1"-3.1" |

## Product Details

- **Brand:** TUSK
- **Item diameter:** 2 Millimeters
- **Material:** Rubber
- **Valve type:** TR-4
- **Wheel size:** 14 Inches

## Images

![Heavy Duty 2 mm Motorcycle Inner Tube 80/100×21 — Butyl Rubber, tr‑4 Valve, Extra Thick Replacement Tube - Image 1](https://m.media-amazon.com/images/I/51QH1vfqg2L.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by S***L on 11 January 2026*

Exactly what I ordered

### ⭐⭐⭐⭐⭐ Review
*by A***. on 30 May 2025*

Good heavy high quality rubber and nice looking valve stems. I expect them to last a long time.

### ⭐⭐⭐⭐⭐ Review
*by R***R on 23 June 2025*

Good tube for the money

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**Shop now:** [https://www.desertcart.sk/products/378769905-heavy-duty-2-mm-motorcycle-inner-tube-80-100-21](https://www.desertcart.sk/products/378769905-heavy-duty-2-mm-motorcycle-inner-tube-80-100-21)

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-02-18*