---
product_id: 118214741
title: "8 INCH DIAMETER MULTIPURPOSE INNER TUBE 3.50/4.00 X 8 350/400 x 8 4.80/4.00-8 16 X 4 TR13 STRAIGHT RUBBER VALVE -FITS TRAILERS, WHEELBARROWS, KARTS, QUAD BIKES AND AGRICULTURAL [Energy Class A]"
brand: "bits4reasons"
price: "11.19 OMR"
currency: OMR
in_stock: true
reviews_count: 8
url: https://www.desertcart.com.om/products/118214741-8-inch-diameter-multipurpose-inner-tube-3-50-4-00
store_origin: OM
region: Oman
---

# 8-inch diameter precision fit TR13 straight rubber valve for easy inflation Multipurpose use across trailers, karts & quads 8 INCH DIAMETER MULTIPURPOSE INNER TUBE 3.50/4.00 X 8 350/400 x 8 4.80/4.00-8 16 X 4 TR13 STRAIGHT RUBBER VALVE -FITS TRAILERS, WHEELBARROWS, KARTS, QUAD BIKES AND AGRICULTURAL [Energy Class A]

**Brand:** bits4reasons
**Price:** 11.19 OMR
**Availability:** ✅ In Stock

## Summary

> 🚀 Upgrade your ride with the ultimate all-terrain inner tube!

## Quick Answers

- **What is this?** 8 INCH DIAMETER MULTIPURPOSE INNER TUBE 3.50/4.00 X 8 350/400 x 8 4.80/4.00-8 16 X 4 TR13 STRAIGHT RUBBER VALVE -FITS TRAILERS, WHEELBARROWS, KARTS, QUAD BIKES AND AGRICULTURAL [Energy Class A] by bits4reasons
- **How much does it cost?** 11.19 OMR with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/118214741-8-inch-diameter-multipurpose-inner-tube-3-50-4-00)

## Best For

- bits4reasons enthusiasts

## Why This Product

- Trusted bits4reasons brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **TR13 Straight Valve:** Effortless inflation and maintenance with a reliable, straight rubber valve designed for convenience.
- • **Universal 8-Inch Fit:** Perfectly engineered to fit 3.50/4.00 x 8 and 4.80/4.00-8 tires, ensuring seamless compatibility across your gear.
- • **Versatile Application:** Ideal for trailers, wheelbarrows, karts, quad bikes, and agricultural machinery—one tube to rule them all.
- • **Durable Rubber Construction:** Built tough with premium rubber to withstand rugged outdoor conditions and heavy-duty use.
- • **Lightweight & Ready to Roll:** At just 290g, it’s easy to handle and install, keeping your equipment mobile and mission-ready.

## Overview

This 8-inch diameter multipurpose inner tube by BITS4REASONS fits a wide range of tires (3.50/4.00 x 8, 350/400 x 8, 4.80/4.00-8) and features a TR13 straight rubber valve for easy inflation. Designed for durability and versatility, it supports trailers, wheelbarrows, karts, quad bikes, and agricultural machinery, making it an essential upgrade for professionals who demand reliability and performance.

## Description

Full description not available

## Features

- MULTIPURPOSE INNER TUBE TRAILER WHEELBARROWS, KARTS, QUAD BIKES AND AGRICULTURAL MACHINERY
- 8 INCH INNER TUBE 3.50/4.00 X 8 350/400 x 8 4.80/4.00-8 TR13 STRAIGHT RUBBER VALVE
- FITS MAYPOLE MP215, MP425 & MP68122

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | BITS4REASONS |
| Brand | BITS4REASONS |
| Manufacturer reference | B4R-8T |
| Manufacturer part number | B4R-8T |
| Section Width | 350 Millimetres |
| Construction | Rubber |
| Rim Width | 8 Inches |
| Item Weight | 290 g |

## Product Details

- **Brand:** BITS4REASONS
- **Size:** 3.50-4.00 X 8 4.80-4.00-8 16 X 4 TR13 VALVE
- **Rim size:** 8 Inches
- **Section width:** 350 Millimetres
- **Load index:** 60
- **Speed rating:** A
- **Tread type:** Non-Directional
- **Rim width:** 8 Inches
- **Tyre diameter:** 8 inches
- **Item diameter:** 8 Inches

## Images

![8 INCH DIAMETER MULTIPURPOSE INNER TUBE 3.50/4.00 X 8 350/400 x 8 4.80/4.00-8 16 X 4 TR13 STRAIGHT RUBBER VALVE -FITS TRAILERS, WHEELBARROWS, KARTS, QUAD BIKES AND AGRICULTURAL [Energy Class A] - Image 1](https://m.media-amazon.com/images/I/61Wd0SLXEyL.jpg)
![8 INCH DIAMETER MULTIPURPOSE INNER TUBE 3.50/4.00 X 8 350/400 x 8 4.80/4.00-8 16 X 4 TR13 STRAIGHT RUBBER VALVE -FITS TRAILERS, WHEELBARROWS, KARTS, QUAD BIKES AND AGRICULTURAL [Energy Class A] - Image 2](https://m.media-amazon.com/images/I/51PgVKZVG2L.jpg)
![8 INCH DIAMETER MULTIPURPOSE INNER TUBE 3.50/4.00 X 8 350/400 x 8 4.80/4.00-8 16 X 4 TR13 STRAIGHT RUBBER VALVE -FITS TRAILERS, WHEELBARROWS, KARTS, QUAD BIKES AND AGRICULTURAL [Energy Class A] - Image 3](https://m.media-amazon.com/images/I/51f+TXu3THL.jpg)
![8 INCH DIAMETER MULTIPURPOSE INNER TUBE 3.50/4.00 X 8 350/400 x 8 4.80/4.00-8 16 X 4 TR13 STRAIGHT RUBBER VALVE -FITS TRAILERS, WHEELBARROWS, KARTS, QUAD BIKES AND AGRICULTURAL [Energy Class A] - Image 4](https://m.media-amazon.com/images/I/51e8sxLcNrL.jpg)
![8 INCH DIAMETER MULTIPURPOSE INNER TUBE 3.50/4.00 X 8 350/400 x 8 4.80/4.00-8 16 X 4 TR13 STRAIGHT RUBBER VALVE -FITS TRAILERS, WHEELBARROWS, KARTS, QUAD BIKES AND AGRICULTURAL [Energy Class A] - Image 5](https://m.media-amazon.com/images/I/51zFv8nqWxL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good
*by D***D on 1 May 2025*

Good product

### ⭐⭐⭐⭐⭐ Good price
*by G***. on 27 April 2025*

Good price fitted well

### ⭐⭐⭐⭐ As described
*by A***R on 25 August 2024*

Quick delivery

## Frequently Bought Together

- BITS4REASONS - 8 INCH DIAMETER MULTIPURPOSE INNER TUBE 3.50/4.00 X 8 350/400 x 8 4.80/4.00-8 16 X 4 TR13 STRAIGHT RUBBER VALVE -FITS TRAILERS, WHEELBARROWS, KARTS, QUAD BIKES AND AGRICULTURAL
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---

*Product available on Desertcart Oman*
*Store origin: OM*
*Last updated: 2026-01-28*