---
product_id: 446313691
title: "420 Chain Sprocket Kit, 420 Chain 155mm 37T Front 420 17T Rear Sprocket Heat Treatment Universal Replacement for to Dirt Mini Bikes ATV Go Kart"
brand: "fydun"
price: "S$90"
currency: SGD
in_stock: true
reviews_count: 4
category: "Fydun"
url: https://www.desertcart.sg/products/446313691-420-chain-sprocket-kit-420-chain-155mm-37t-front-420
store_origin: SG
region: Singapore
---

# Heat-treated for durability Compatible 1.18 inch mounting holes Precision 0.235 inch thick sprocket 420 Chain Sprocket Kit, 420 Chain 155mm 37T Front 420 17T Rear Sprocket Heat Treatment Universal Replacement for to Dirt Mini Bikes ATV Go Kart

**Brand:** fydun
**Price:** S$90
**Availability:** ✅ In Stock

## Summary

> ⚙️ Upgrade your ride with precision power and unstoppable durability!

## Quick Answers

- **What is this?** 420 Chain Sprocket Kit, 420 Chain 155mm 37T Front 420 17T Rear Sprocket Heat Treatment Universal Replacement for to Dirt Mini Bikes ATV Go Kart by fydun
- **How much does it cost?** S$90 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/446313691-420-chain-sprocket-kit-420-chain-155mm-37t-front-420)

## Best For

- fydun enthusiasts

## Why This Product

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

## Key Features

- • **Easy Compatibility:** Mounting holes spaced at 1.18 inches fit 17mm motor temples perfectly—no guesswork needed.
- • **Optimized Gear Curve:** Reduced friction means longer chain life and smoother rides every time.
- • **Heat-Treated Toughness:** Enhanced durability to withstand the roughest terrains and longest rides.
- • **Universal Fit for Adventure:** Designed for dirt bikes, mini bikes, ATVs, and go-karts—one kit to rule them all.
- • **Precision Engineered Thickness:** 0.235 inch thick sprockets ensure optimal strength without added bulk.

## Overview

The 420 Chain Sprocket Kit features a 155mm 37T front sprocket and a 17T rear sprocket, both heat-treated for enhanced durability. With a precise 0.235 inch thickness and 1.18 inch mounting hole spacing, this universal kit fits dirt bikes, mini bikes, ATVs, and go-karts, offering reduced gear friction for extended chain life and reliable performance on any terrain.

## Description

Product Description 420 Ratchet Knuckle Set, 420 ?155 mm 37T Front 420 17T Universal Heat Treatment Rear Wheel Heat Wrap Replacement For Dirt Mini Bikes ATV Go Maps

Review: Quite chaine - Manque l'attache rapide
Review: İyi - Malzeme kalitesi iyi.

## Features

- Ideal application The 420 chain sprocket kit front and rear has been specially designed for to dirt bikes, mini bikes, ATVs and 4 wheel go karts. It has been specially manufactured with precision. Please check before placing whether it is suitable for your vehicle.
- Sprocket size This sprocket is 0.235 inch thick and has 17 teeth. The middle mounting holes are 1.18" from each other and compatible with 17mm motor temples. The sprockets also have an improved gear curve, which helps to reduce gear friction, which extends the life of the chain.
- International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Fydun |
| Package Dimensions | 19.3 x 15.6 x 4.4 cm; 1.31 Kilograms |
| Item model number | Hlyjooncuhts5gzrv1945 |
| Manufacturer part number | Hlyjooncuhts5gzrv1945 |
| Item Weight | 1.31 kg |

## Images

![420 Chain Sprocket Kit, 420 Chain 155mm 37T Front 420 17T Rear Sprocket Heat Treatment Universal Replacement for to Dirt Mini Bikes ATV Go Kart - Image 1](https://m.media-amazon.com/images/I/61zMolI96FL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐ Quite chaine
*by L***Y on 25 May 2025*

Manque l'attache rapide

### ⭐⭐⭐⭐ İyi
*by H***N on 10 May 2024*

Malzeme kalitesi iyi.

### ⭐⭐⭐⭐ Goed
*by G***D on 3 December 2024*

Leuk materiaal

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**Shop now:** [https://www.desertcart.sg/products/446313691-420-chain-sprocket-kit-420-chain-155mm-37t-front-420](https://www.desertcart.sg/products/446313691-420-chain-sprocket-kit-420-chain-155mm-37t-front-420)

---

*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-10-03*