---
product_id: 810078403
title: "Marathon 2.80/2.50-4\" Replacement Inner Tube (Pack of 5)"
brand: "marathon"
price: "€ 85.86"
currency: EUR
in_stock: true
category: "Marathon"
url: https://www.desertcart.pt/products/810078403-marathon-2-80-2-50-4-replacement-inner-tube-pack
store_origin: PT
region: Portugal
---

# 4-ply durable rubber 8.5" tire diameter fit Pack of 5 for long-term use Marathon 2.80/2.50-4" Replacement Inner Tube (Pack of 5)

**Brand:** marathon
**Price:** € 85.86
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Stay Rolling, Stay Ready: The Inner Tube Upgrade You Can't Miss!

## Quick Answers

- **What is this?** Marathon 2.80/2.50-4" Replacement Inner Tube (Pack of 5) by marathon
- **How much does it cost?** € 85.86 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/810078403-marathon-2-80-2-50-4-replacement-inner-tube-pack)

## Best For

- marathon enthusiasts

## Why This Product

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

## Key Features

- • **Safe Inflation Limit:** Max 30 PSI ensures optimal performance and safety with manual pumps only.
- • **Bulk Pack Convenience:** Five tubes in one pack means you're always ready for the unexpected flat.
- • **4-Ply Rubber Durability:** Engineered to resist punctures and extend tire life under daily wear.
- • **Cost-Effective Flat Fix:** Save money by repairing flats instead of buying new tires—smart and sustainable.
- • **Perfect Fit for 8.5" Tires:** Seamlessly replace your inner tubes without hassle or guesswork.

## Overview

Marathon's 2.80/2.50-4" Replacement Inner Tube pack includes five durable 4-ply tubes designed for 8.5" tires. With a maximum inflation of 30 PSI and manual pump compatibility, these tubes offer a reliable, cost-effective solution to flat tires, perfect for everyday cycling and powersports use.

## Description

desertcart.com: Marathon 2.80/2.50-4" Replacement Inner Tube (Pack of 5) : Automotive

## Features

- The information below is per-pack only
- Replacement Tube for 8.5" Outside Diameter Tire
- 4 ply rubber
- Fix flats without having to buy a new tire.
- See Tire Side Wall for Tire Load Capacity
- Maximum inflation is 30 PSI. Inflate with manual pump only. Not for highway use.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CR77Y67M |
| Best Sellers Rank | #538,894 in Automotive ( See Top 100 in Automotive ) #1,058 in Powersports Inner Tubes |
| Brand Name | Marathon |
| Construction Type | Multi-layer Rubber |
| Customer Reviews | 4.4 4.4 out of 5 stars (610) |
| Item Dimensions | 4 x 2 x 8 inches |
| Item Weight | 1.7 pounds |
| Manufacturer | Marathon Industries |
| Manufacturer Part Number | 20991 |
| Maximum Pressure | 30 psi |
| Model Number | 20991 |
| Ply | 4-Ply |
| Size | 2/2.8-4 (Pack of 5) |
| Tire Diameter | 8.5 inches |
| Unit Count | 5 Count |

## Product Details

- **Brand:** Marathon
- **Construction Type:** Multi-layer Rubber
- **Item Weight:** 1.7 pounds
- **Item dimensions L x W x H:** 4 x 2 x 8 inches
- **Maximum Pressure:** 30 psi
- **Size:** 2/2.8-4 (Pack of 5)
- **Tire Diameter:** 8.5 inches
- **Unit Count:** 5 Count

## Images

![Marathon 2.80/2.50-4" Replacement Inner Tube (Pack of 5) - Image 1](https://m.media-amazon.com/images/I/617XN8-LdaL.jpg)
![Marathon 2.80/2.50-4" Replacement Inner Tube (Pack of 5) - Image 2](https://m.media-amazon.com/images/I/71hessTqM-L.jpg)
![Marathon 2.80/2.50-4" Replacement Inner Tube (Pack of 5) - Image 3](https://m.media-amazon.com/images/I/81r92Rbu27L.jpg)
![Marathon 2.80/2.50-4" Replacement Inner Tube (Pack of 5) - Image 4](https://m.media-amazon.com/images/I/512Qe+R5A7L.jpg)

## Available Options

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

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**Shop now:** [https://www.desertcart.pt/products/810078403-marathon-2-80-2-50-4-replacement-inner-tube-pack](https://www.desertcart.pt/products/810078403-marathon-2-80-2-50-4-replacement-inner-tube-pack)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-09-04*