---
product_id: 593232920
title: "Upgraded 25H Chain 13T Teeth Motor Sprocket Master Link Replacement for Razor MX500 MX650 SX500 Mcgrath RSF650 Dirt Rocket Bike MY1020 Motor Kids Electric Scooter Mini Bike Go Kart Cart Parts"
brand: "kamier"
price: "€ 46.42"
currency: EUR
in_stock: true
reviews_count: 5
category: "Kamier"
url: https://www.desertcart.nl/products/593232920-upgraded-25h-chain-13t-teeth-motor-sprocket-master-link-replacement
store_origin: NL
region: Netherlands
---

# Compact 29mm diameter fits multiple Razor models 13T precision teeth for smooth power transfer 25H chain compatibility for rugged durability Upgraded 25H Chain 13T Teeth Motor Sprocket Master Link Replacement for Razor MX500 MX650 SX500 Mcgrath RSF650 Dirt Rocket Bike MY1020 Motor Kids Electric Scooter Mini Bike Go Kart Cart Parts

**Brand:** kamier
**Price:** € 46.42
**Availability:** ✅ In Stock

## Summary

> ⚡ Upgrade your ride, dominate the dirt with precision power!

## Quick Answers

- **What is this?** Upgraded 25H Chain 13T Teeth Motor Sprocket Master Link Replacement for Razor MX500 MX650 SX500 Mcgrath RSF650 Dirt Rocket Bike MY1020 Motor Kids Electric Scooter Mini Bike Go Kart Cart Parts by kamier
- **How much does it cost?** € 46.42 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/593232920-upgraded-25h-chain-13t-teeth-motor-sprocket-master-link-replacement)

## Best For

- kamier enthusiasts

## Why This Product

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

## Key Features

- • **Boost Your Ride Speed:** Proven to add up to 4 mph on popular electric dirt bikes
- • **Lightweight & Durable:** Only 18g with robust construction for long-lasting performance
- • **Universal 25H Chain Fit:** Engineered to perfectly match Razor MX500, MX650 & more
- • **Complete Installation Kit:** Includes 5 master links for quick, hassle-free setup
- • **Precision 13T Teeth Design:** Optimized for seamless torque and speed boost

## Overview

The KAMIER Upgraded 25H Chain 13T Motor Sprocket is a lightweight, precision-engineered replacement part designed for Razor MX500, MX650, SX500, and other kids' electric dirt bikes and scooters. Featuring a 13-tooth sprocket with a 29mm diameter and compatibility with 25H chains, it delivers enhanced speed and torque, backed by easy installation with included master links. Perfect for millennial riders seeking a reliable performance edge on their off-road adventures.

## Description

Fit for MY1020 DC Motor Razor Kids Electric Off Road Motorcross Dirt Rocket Bike Scooter Mini Bike Go Kart Cart Parts Compatible with : / Razor MX650 Dirt Rocket Bike/ Razor MX500 Dirt Rocket Bike/ Razor SX500 Mcgrath Dirt Rocket Bike/Razor RSF650 Street Bike/36V Motor Pocket Mod Bellezza Scooter/

Review: Perfection
Review: Fits like stock

## Features

- Fit for MY1020 DC Motor Razor Kids Electric Off Road Motorcross Dirt Rocket Bike Scooter Mini Bike Go Kart Cart Parts Compatible with : / Razor MX650 Dirt Rocket Bike/ Razor MX500 Dirt Rocket Bike/ Razor SX500 Mcgrath Dirt Rocket Bike/Razor RSF650 Street Bike/36V Motor Pocket Mod Bellezza Scooter/
- Notice: It fit for 25H Chain, not T8F Chain.
- Motor Spocket Size：25H Chain, Teeth : 13T, Outer diameter ：29mm (1.14 inch), Mounting Diameter Length : 10mm (0.4 inch), Mounting Diameter Width : 8.5mm (0.34 inch), Tooth Thickness: 4mm (0.16 inch).
- Package Including : 1 x 25H Chain 13T Motor Sprocket, 5 x 25H Master Links.
- Please check the description to confirm the compatibility before purchase

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CKFHMF86 |
| Are batteries included? | No |
| Brand | KAMIER |
| Country of Origin | USA |
| Customer Reviews | 4.4 4.4 out of 5 stars (77) |
| Date First Available | 8 October 2023 |
| Item Weight | 18 g |
| Item model number | KA-CS-02 |
| Manufacturer | KAMIER |
| Model number | KA-CS-02 |
| Number of Memory Sticks | 1 |
| Package Dimensions | 8.71 x 5.99 x 0.79 cm; 18 g |

## Images

![Upgraded 25H Chain 13T Teeth Motor Sprocket Master Link Replacement for Razor MX500 MX650 SX500 Mcgrath RSF650 Dirt Rocket Bike MY1020 Motor Kids Electric Scooter Mini Bike Go Kart Cart Parts - Image 1](https://m.media-amazon.com/images/I/71CwMSSlKsL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfection
*by M***C on 28 December 2025*



### ⭐⭐⭐⭐⭐ Fits like stock
*by V***B on 6 June 2025*



### ⭐⭐⭐⭐ took a while but it’s alright
*by K***W on 5 June 2025*



## Frequently Bought Together

- KAMIER Upgraded 25H Chain 13T Teeth Motor Sprocket Master Link Replacement for Razor MX500 MX650 SX500 Mcgrath Dirt Rocket Bike RSF650 MY1020 Motor Kids Electric Scooter Mini Bike Go Kart Cart Parts
- KAMIER #25 Roller Chain 132 Link with Drive Chain Breaker for Razor MX500 MX650 SX500 Mcgrath Dirt Rocket Bike Off Road Motocross Pit Bike Kids Electric Scooter Moped Mini Pocket Bike Heavy Duty Parts
- GREHUA 25H Chain 132 Link Drive Chain & Chain Tensioner Compatible with Razor MX500 MX650 SX500 Dirt Rocket Electric Motocross RSF650 Mini Sport Street Bike Motorcycle Heavy Duty Mx650 Upgrade Kit

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**Shop now:** [https://www.desertcart.nl/products/593232920-upgraded-25h-chain-13t-teeth-motor-sprocket-master-link-replacement](https://www.desertcart.nl/products/593232920-upgraded-25h-chain-13t-teeth-motor-sprocket-master-link-replacement)

---

*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-01-25*