---
product_id: 474371940
title: "2.25/2.50-16 (70/90-16) Heavy Duty Inner Tube – 2mm Butyl Rubber, TR4 Straight Valve – Fits Mini Dirt Bikes, Pit Bikes, Motocross & Trail Bikes"
brand: "pivotrax"
price: "5751 kr"
currency: ISK
in_stock: true
reviews_count: 13
category: "Pivotrax"
url: https://www.desertcart.is/products/474371940-2-25-2-50-16-70-90-16-heavy-duty
store_origin: IS
region: Iceland
---

# Fits 16" Tires - Versatile Mini Dirt Bike Fit TR4 Straight Valve - Leak & Bend Resistant 2mm Butyl Rubber - Heavy-Duty Durability 2.25/2.50-16 (70/90-16) Heavy Duty Inner Tube – 2mm Butyl Rubber, TR4 Straight Valve – Fits Mini Dirt Bikes, Pit Bikes, Motocross & Trail Bikes

**Brand:** pivotrax
**Price:** 5751 kr
**Availability:** ✅ In Stock

## Summary

> 🏍️ Ride Tough, Ride Confident: The Inner Tube That Keeps You Ahead

## Quick Answers

- **What is this?** 2.25/2.50-16 (70/90-16) Heavy Duty Inner Tube – 2mm Butyl Rubber, TR4 Straight Valve – Fits Mini Dirt Bikes, Pit Bikes, Motocross & Trail Bikes by pivotrax
- **How much does it cost?** 5751 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/474371940-2-25-2-50-16-70-90-16-heavy-duty)

## Best For

- pivotrax enthusiasts

## Why This Product

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

## Key Features

- • **All-Season Reliability:** Engineered to perform consistently in hot, cold, wet, or dry conditions—never compromise your ride.
- • **Precision Valve Engineering:** TR4 straight metal valve stem ensures airtight performance and resists bending under high PSI for aggressive riding.
- • **Shock-Absorbing Flexibility:** Butyl rubber construction absorbs bumps and rough terrain, delivering smoother, more controlled rides every time.
- • **Unmatched Puncture Resistance:** Stay trail-ready with 2mm reinforced butyl rubber that minimizes flats and blowouts in any terrain or weather.
- • **Universal 16" Tire Compatibility:** Seamlessly fits 2.25/2.50-16 and 70/90-16 tires, perfect for mini dirt bikes, pit bikes, motocross, and trail bikes.

## Overview

The PIVOTRAX 2.25/2.50-16 Heavy Duty Inner Tube features 2mm reinforced butyl rubber and a TR4 straight metal valve stem, designed for superior puncture resistance and leak prevention. Compatible with most 16-inch mini dirt bike and pit bike tires, it delivers reliable air retention and shock absorption for motocross, trail, and enduro riders seeking durable, all-season performance.

## Description

Buy 2.25/2.50-16 (70/90-16) Heavy Duty Inner Tube – 2mm Butyl Rubber, TR4 Straight Valve – Fits Mini Dirt Bikes, Pit Bikes, Motocross & Trail Bikes: Inner Tubes - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Good tubes - Good tubes. They hold air and are pretty tough. I’ve ordered them multiple times
Review: Good quality! - It fit perfect! Good quality

## Features

- Puncture Resistant: Designed to minimize flats and blowouts. Protects both rider and bike in all seasons and conditions—hot, cold, wet, or dry—offering dependable performance.
- Versatile Fit: Replacement inner tube for 2.25/2.50-16 and 70/90-16 tires. Compatible with most 16” mini dirt bikes, pit bikes, and small off-road motorcycles.
- Motocross & Enduro Ready: Engineered for motocross, enduro, trail, and pit bike riding. Provides consistent air retention, stable handling, and long-lasting reliability.
- Heavy-Duty TR4 Valve Stem: Features a straight TR4 metal valve stem with seamless construction to prevent leaks and resist bending under high PSI and aggressive use.
- Durable Butyl Rubber: Built with 2mm reinforced butyl rubber for strength and flexibility. Absorbs shocks, bumps, and rough terrain to deliver smoother rides on trails and motocross tracks.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0B2NP5K6W |
| Best Sellers Rank | #1,506 in Automotive ( See Top 100 in Automotive ) #2 in Powersports Inner Tubes |
| Brand | PIVOTRAX |
| Compatible Tire Width Maximum | 80 Millimeters |
| Compatible Tire Width Minimum | 57 Millimeters |
| Customer Reviews | 4.4 4.4 out of 5 stars (1,525) |
| Date First Available | May 30, 2022 |
| Item Diameter | 16 Inches |
| Item Weight | 1.34 pounds |
| Item Width | 2.25 Inches |
| Item model number | NT225250162MM |
| Manufacturer | PIVOTRAX |
| Manufacturer Part Number | NT225250162MM |
| Material | Rubber |
| Size | 2.25/2.50-16 (70/90-16) |
| Valve Type | Schrader |
| Wheel Size | 16 Inches |

## Product Details

- **Brand:** PIVOTRAX
- **Item Diameter:** 16 Inches
- **Material:** Rubber
- **Valve Type:** Schrader
- **Wheel Size:** 16 Inches

## Images

![2.25/2.50-16 (70/90-16) Heavy Duty Inner Tube – 2mm Butyl Rubber, TR4 Straight Valve – Fits Mini Dirt Bikes, Pit Bikes, Motocross & Trail Bikes - Image 1](https://m.media-amazon.com/images/I/71kR+cbxnLL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good tubes
*by I***S on January 26, 2026*

Good tubes. They hold air and are pretty tough. I’ve ordered them multiple times

### ⭐⭐⭐⭐⭐ Good quality!
*by S***Z on February 4, 2026*

It fit perfect! Good quality

### ⭐⭐⭐⭐⭐ Fits
*by M***K on January 30, 2026*

Very good replacement tube, fits talaria xxx

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**Shop now:** [https://www.desertcart.is/products/474371940-2-25-2-50-16-70-90-16-heavy-duty](https://www.desertcart.is/products/474371940-2-25-2-50-16-70-90-16-heavy-duty)

---

*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-02-09*