---
product_id: 554908361
title: "2 Packs 3.50/3.00-8 Inner Tube with TR87 Bent Metal Valve stem. Tire Tube fits 8 inch Rim Sizes 3.50-8/3.00-8/3.5-8/3.0-8/3-8/3.5-8/300-8/350-8"
brand: "staibc"
price: "¥16336"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/554908361-2-packs-3-50-3-00-8-inner-tube-tr87
store_origin: JP
region: Japan
---

# Universal 3.00-8 / 3.50-8 fit TR87 90° bent metal valve stem Thick butyl, self-sealing & explosion-proof 2 Packs 3.50/3.00-8 Inner Tube with TR87 Bent Metal Valve stem. Tire Tube fits 8 inch Rim Sizes 3.50-8/3.00-8/3.5-8/3.0-8/3-8/3.5-8/300-8/350-8

**Brand:** staibc
**Price:** ¥16336
**Availability:** ✅ In Stock

## Summary

> 🚀 Roll Smooth, Roll Smart – Never Get Stuck Again!

## Quick Answers

- **What is this?** 2 Packs 3.50/3.00-8 Inner Tube with TR87 Bent Metal Valve stem. Tire Tube fits 8 inch Rim Sizes 3.50-8/3.00-8/3.5-8/3.0-8/3-8/3.5-8/300-8/350-8 by staibc
- **How much does it cost?** ¥16336 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/554908361-2-packs-3-50-3-00-8-inner-tube-tr87)

## Best For

- staibc enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Crafted from premium butyl rubber with self-sealing walls that instantly block punctures and prevent blowouts.
- • **Fits Like a Glove:** Precision engineered for 3.00-8 and 3.50-8 tire sizes, ensuring seamless compatibility with your 8-inch rims.
- • **Bent to Perfection:** TR87 bent metal valve stem angled at 90° for maximum clearance and easy inflation in tight spaces.
- • **Double the Confidence:** Two high-quality inner tubes per pack, so you’re always ready to roll without downtime.
- • **Versatility Unleashed:** Ideal for hand trucks, lawn mowers, wheelbarrows, generators, and more – your all-in-one tube solution.

## Overview

This 2-pack of 3.00-8 / 3.50-8 inner tubes features durable butyl rubber construction with self-sealing properties and TR87 bent metal valve stems for easy inflation and maximum clearance. Designed for 8-inch rims, these tubes fit a wide range of equipment including lawn mowers, hand trucks, and generators, delivering reliable, explosion-proof performance straight from the USA.

## Description



## Features

- UNIVERSAL FIT 3.00-8 INNER TUBES: Tube is designed for tire sizes 3.00-8 or 3.50-8. 3.00 and 3.50 represents the width of the tire and 8 represents the wheel size the tire is on. The tires these tubes go in will generally be around 14 inches in overall height.
- WIDELY APPLICABLE: Usable with hand trucks, dollies, wheelbarrows, lawn mowers / tractors, garden / utility / flat carts, yard trailers, trolleys, wagons, generators, snow blowers, pressure washers, air compressors, wood chippers and more
- TR87 BENT VALVE STEM: This rubber-based metal valve stem is bent at a 90°angle and points to the side to provide maximum clearance. It fits rim holes that are 0.443 inch (approximated 0.5 inch) to 0.631 inch.
- SAFE & EXPLOSION-PROOF: Our inner tubes are made of high-quality butyl materials. The thick butyl walls of these inner tubes have self-sealing properties that create instantaneous airtight seals around puncture holes, preventing explosive punctures that can cause damage to your bike or injury to the rider.
- WHAT YOU GET: 2 packs High-quality 3.00-8 inch inner tube

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | StaiBC |
| Size | 350/100-8 |
| Tread Type | Non-Directional |
| Rim Width | 8 Inches |
| Vehicle Tire ISO Metric Size Description | [INCOMPLETE] 350/100, 300/100 |
| Net Quantity | 2.0 Count |
| Construction Type | Rubber Inner Tube |
| Material | Rubber |
| Size | medium |
| Country of Origin | USA |
| Item Weight | 440 g |

## Product Details

- **Brand:** StaiBC
- **Size:** 350/100-8
- **Rim Size:** 8 Inches
- **Tyre Aspect Ratio:** 50
- **Tread Depth:** 8 Inches

## Images

![2 Packs 3.50/3.00-8 Inner Tube with TR87 Bent Metal Valve stem. Tire Tube fits 8 inch Rim Sizes 3.50-8/3.00-8/3.5-8/3.0-8/3-8/3.5-8/300-8/350-8 - Image 1](https://m.media-amazon.com/images/I/61fSXc0P3OL.jpg)
![2 Packs 3.50/3.00-8 Inner Tube with TR87 Bent Metal Valve stem. Tire Tube fits 8 inch Rim Sizes 3.50-8/3.00-8/3.5-8/3.0-8/3-8/3.5-8/300-8/350-8 - Image 2](https://m.media-amazon.com/images/I/71S0ghQ62DL.jpg)
![2 Packs 3.50/3.00-8 Inner Tube with TR87 Bent Metal Valve stem. Tire Tube fits 8 inch Rim Sizes 3.50-8/3.00-8/3.5-8/3.0-8/3-8/3.5-8/300-8/350-8 - Image 3](https://m.media-amazon.com/images/I/61qiCtRKbML.jpg)
![2 Packs 3.50/3.00-8 Inner Tube with TR87 Bent Metal Valve stem. Tire Tube fits 8 inch Rim Sizes 3.50-8/3.00-8/3.5-8/3.0-8/3-8/3.5-8/300-8/350-8 - Image 4](https://m.media-amazon.com/images/I/617++BjIntL.jpg)
![2 Packs 3.50/3.00-8 Inner Tube with TR87 Bent Metal Valve stem. Tire Tube fits 8 inch Rim Sizes 3.50-8/3.00-8/3.5-8/3.0-8/3-8/3.5-8/300-8/350-8 - Image 5](https://m.media-amazon.com/images/I/71++rBtxIbL.jpg)

## Frequently Bought Together

- StaiBC Heavy Duty 3.50/3.00-8 Inner Tube with TR87 Bent Metal Valve stem. Tire Tube fits 8 inch Rim Sizes 3.50-8/3.00-8/3.5-8/3.0-8/3-8/3.5-8/300-8/350-8 2 Packs
- MICHELIN S83 Scooter Bias Tire- 3.50-8 (46J)

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**Shop now:** [https://www.desertcart.jp/products/554908361-2-packs-3-50-3-00-8-inner-tube-tr87](https://www.desertcart.jp/products/554908361-2-packs-3-50-3-00-8-inner-tube-tr87)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-01*