---
product_id: 466756025
title: "Chain Tensioner Adjuster with Spring for Razor MX500 MX650 SX500 Dirt Rocket Electric Motocross RSF650 Mini Sport Street Bike Motorcycle Heavy Duty Parts Black"
brand: "grehua"
price: "¥3144"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/466756025-chain-tensioner-adjuster-with-spring-for-razor-mx500-mx650-sx500
store_origin: JP
region: Japan
---

# Premium metal build Perfect Razor MX compatibility Easy installation kit Chain Tensioner Adjuster with Spring for Razor MX500 MX650 SX500 Dirt Rocket Electric Motocross RSF650 Mini Sport Street Bike Motorcycle Heavy Duty Parts Black

**Brand:** grehua
**Price:** ¥3144
**Availability:** ✅ In Stock

## Summary

> ⚡ Keep your ride tight, your edge sharper!

## Quick Answers

- **What is this?** Chain Tensioner Adjuster with Spring for Razor MX500 MX650 SX500 Dirt Rocket Electric Motocross RSF650 Mini Sport Street Bike Motorcycle Heavy Duty Parts Black by grehua
- **How much does it cost?** ¥3144 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/466756025-chain-tensioner-adjuster-with-spring-for-razor-mx500-mx650-sx500)

## Best For

- grehua enthusiasts

## Why This Product

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

## Key Features

- • **Safety First:** Maintains optimal chain tension to prevent slippage and ensure smooth rides
- • **Seamless Fit:** Specifically engineered for Razor MX500, MX650, SX500, and RSF650 models
- • **Built to Last:** Crafted from high-grade metal for anti-rust, anti-deformation durability
- • **Ride Confidently:** Heavy-duty design supports intense motocross action without compromise
- • **Hassle-Free Setup:** Includes spring and nut for quick, no-fuss installation—get back on the road faster

## Overview

The GREHUA Chain Tensioner Adjuster with Spring is a heavy-duty, premium metal replacement part designed for Razor MX500, MX650, SX500, and RSF650 electric dirt bikes. It ensures optimal chain tension for safer, smoother rides and comes with all necessary components for easy installation. Built to resist rust, deformation, and wear, this tensioner is a must-have upgrade for serious riders aiming to maintain peak performance.

## Description

Full description not available

## Features

- Fitment: The dirt bike chain tensioner is compatible with Razor MX500/ MX650/ SX500 Mcgrath dirt rocket bike, RSF650 electric mini street bike
- Quality Material: This MX650 chain tensioner is made of premium metal material with anti-compression, deformation and anti-aging, it is not easy to rust or break and can be used for a long time
- Easy Installation: You can take the SX500 chain tensioner as a good replacement, and the chain adjuster is a very important part of your Razor dirt bikes. Long-term use without inspection and adjustment will cause the chain to become loose, so our chain tensioner can provide proper chain tension to ensure driving safety
- What you get: 1 * Dirt Bike Chain Tensioner, 1 * Spring, 1 * Nut
- Note: When installing on Razor SX500, you only need to slightly bend the spring to make it work. Please check as much as possible the item picture, model and size carefully. Or leave us messages for assistance

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | GREHUA |
| Brand | GREHUA |
| Item Weight | 2.39 ounces |
| Package Dimensions | 3.74 x 2.52 x 1.5 inches |
| Manufacturer Part Number | GR-MX500ZJQ |

## Images

![Chain Tensioner Adjuster with Spring for Razor MX500 MX650 SX500 Dirt Rocket Electric Motocross RSF650 Mini Sport Street Bike Motorcycle Heavy Duty Parts Black - Image 1](https://m.media-amazon.com/images/I/61VSpC7MEgL.jpg)

## Available Options

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

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**Shop now:** [https://www.desertcart.jp/products/466756025-chain-tensioner-adjuster-with-spring-for-razor-mx500-mx650-sx500](https://www.desertcart.jp/products/466756025-chain-tensioner-adjuster-with-spring-for-razor-mx500-mx650-sx500)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-03-10*