---
product_id: 314929132
title: "RK Racing Chain M420-138 (420 Series) 138-Links Standard Non O-Ring Chain with Connecting Link"
brand: "rk racing chain"
price: "¥14991"
currency: JPY
in_stock: true
category: "Rk Racing Chain"
url: https://www.desertcart.jp/products/314929132-rk-racing-chain-m420-138-420-series-138-links-standard
store_origin: JP
region: Japan
---

# 4200 lbs tensile strength Pre-stressed & pre-stretched Japanese steel quality RK Racing Chain M420-138 (420 Series) 138-Links Standard Non O-Ring Chain with Connecting Link

**Brand:** rk racing chain
**Price:** ¥14991
**Availability:** ✅ In Stock

## Summary

> 🔗 Ride Strong, Ride Smart — The Chain That Keeps You Ahead

## Quick Answers

- **What is this?** RK Racing Chain M420-138 (420 Series) 138-Links Standard Non O-Ring Chain with Connecting Link by rk racing chain
- **How much does it cost?** ¥14991 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/314929132-rk-racing-chain-m420-138-420-series-138-links-standard)

## Best For

- rk racing chain enthusiasts

## Why This Product

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

## Key Features

- • **Seamless Fit:** Standard 12.7mm pin-to-pin center with easy clip master link for quick installation
- • **Ready to Ride:** Pre-stressed and pre-stretched to minimize adjustments and maximize uptime
- • **Lightweight Power:** Only 1.6 lbs per 100 links—strong without the bulk
- • **Unmatched Strength:** Handles up to 4200 lbs tensile force for ultimate durability
- • **Precision Engineering:** Crafted with two-point riveted pins & curled bushings for smooth performance

## Overview

The RK Racing Chain M420-138 is a high-performance 420 series chain made from premium Japanese steel in Malaysia. Engineered with two-point riveted pins and curled bushings, it offers a maximum tensile strength of 4200 lbs and is pre-stressed for superior durability and fewer adjustments. Lightweight at 1.6 lbs per 100 links, it fits 80cc street and off-road bikes perfectly with a clip-type master link for easy installation.

## Description

RKM series chains are made in Malaysia with Japanese steel, meeting all Japanese specs with two-point riveted pins and curled bushings. Pre-stressed and pre-stretched for better performance with fewer adjustments, they outperform most of the competitions heavy-duty chains. Specifications: Pin length in mm: 14.8mm. Maximum wear life index: 100. Maximum tensile in pounds/feet: 4200 pounds/feet. Master link type: Clip. Weight in pounds per 100 links: 1.6 pounds. Max cc: 80cc street/80cc off-road. 24.0 links per foot. 12.7mm pin to pin center.

## Features

- RKM series chains are made in Malaysia with Japanese steel, meeting all Japanese specs with two-point riveted pins and curled bushings
- Pre-stressed and pre-stretched for better performance with fewer adjustments, they outperform most of the competitions heavy-duty chains
- Maximum tensile in pounds/feet: 4200 pounds/feet; weight in pounds per 100 links: 1.6 pounds; Max cc: 80cc Street/80cc Off-Road
- Master link type: Clip; 24.0 links per foot; 12.7mm pin to pin center

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00BV6V1YG |
| Brand | RK Racing Chain |
| Date First Available | 22 May 2016 |
| Item Weight | 653 g |
| Item model number | M420-138 |
| Manufacturer | RK Racing Chain |
| Manufacturer Part Number | M420-138 |
| Model | M420-138 |
| Product Dimensions | 22.86 x 8.89 x 1.91 cm; 653.17 g |

## Product Details

- **Brand:** RK Racing Chain
- **Item pitch:** 0.5 Inches
- **Load capacity:** 4.2E+3 lbf tensile
- **Material:** Alloy Steel
- **Recommended uses for product:** Powersports applications, especially 80cc / 80cc off-road vehicles

## Images

![RK Racing Chain M420-138 (420 Series) 138-Links Standard Non O-Ring Chain with Connecting Link - Image 1](https://m.media-amazon.com/images/I/61YVtlgDHoL.jpg)

## Frequently Bought Together

- RK Racing Chain M420-138 (420 Series) 138-Links Standard Non O-Ring Chain with Connecting Link
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**Shop now:** [https://www.desertcart.jp/products/314929132-rk-racing-chain-m420-138-420-series-138-links-standard](https://www.desertcart.jp/products/314929132-rk-racing-chain-m420-138-420-series-138-links-standard)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-26*