---
product_id: 356964079
title: "520-SO-106 (520 Series) Steel 106 Link Traditional Street and Off-Road O-Ring Chain with Connecting Link"
brand: "rk racing chain"
price: "1280 kr"
currency: DKK
in_stock: true
url: https://www.desertcart.dk/products/356964079-520-so-106-520-series-steel-106-link-traditional-street
store_origin: DK
region: Denmark
---

# 7700 lbs tensile strength Heat-treated hi-carbon steel Advanced Nitrile Butadiene O-ring seals 520-SO-106 (520 Series) Steel 106 Link Traditional Street and Off-Road O-Ring Chain with Connecting Link

**Brand:** rk racing chain
**Price:** 1280 kr
**Availability:** ✅ In Stock

## Summary

> 🔗 Ride Strong, Ride Smooth – The Chain That Keeps You Ahead

## Quick Answers

- **What is this?** 520-SO-106 (520 Series) Steel 106 Link Traditional Street and Off-Road O-Ring Chain with Connecting Link by rk racing chain
- **How much does it cost?** 1280 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/356964079-520-so-106-520-series-steel-106-link-traditional-street)

## 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

- • **Power Without Drag:** Nitrile Butadiene O-rings lock in lubrication, delivering smooth power with zero horsepower loss.
- • **Unmatched Durability:** Heat-treated hi-carbon alloy steel ensures long-lasting strength for every ride.
- • **Precision Engineering:** Seamless rollers and shouldered bushings provide superior wear resistance and reliability.
- • **Versatile Performance:** Rated for up to 400cc bikes, perfect for both street and off-road adventures.
- • **Effortless Maintenance:** Includes a clip masterlink for quick installation and hassle-free chain management.

## Overview

The RK Racing Chain 520-SO-106 is a premium O-ring chain crafted from heat-treated hi-carbon alloy steel with seamless rollers and shouldered bushings for exceptional durability. Featuring advanced Nitrile Butadiene O-ring seals, it locks in lubrication to maximize wear life and maintain smooth power delivery without drag. Rated for bikes up to 400cc, this 106-link chain offers a tensile strength of 7700 lbs, making it ideal for both street and off-road riders seeking reliable, high-performance drivetrain components.

## Description

520-SO-106 (520 Series) Steel 106 Link Traditional Street and Off-Road O-Ring Chain with Connecting Link

## Features

- The 520SO is one of the best O-ring chains in the industry
- 520SO chains feature heat treated hi-carbon alloy steel components with seamless rollers and shouldered bushings for strength and durability, and are fitted with O-ring seals
- O-ring seals are made from an advanced Nitrile Butadiene composite for maximum performance and wear life
- Nitrile Butadiene O-rings seal in lubrication and deliver smooth power with no O-ring drag or loss of horsepower
- The 520SO has a tensile strength rating of 7700 foot pounds and is rated for bikes up to 400cc

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | RK Excel America |
| Brand | RK Racing Chain |
| Model | 520SO |
| Product Dimensions | 26.16 x 12.19 x 2.54 cm; 1.72 kg |
| Item model number | 520-SO-106 |
| Exterior | Steel |
| Manufacturer Part Number | 520-SO-106 |
| Item Weight | 1.72 Kilograms |

## Product Details

- **Load capacity:** 7.7E+3 lbf
- **Brand:** RK Racing Chain
- **Item pitch:** 15.875 millimeters Millimeters
- **Material:** Alloy Steel
- **Recommended uses for product:** power transmission in motorcycles

## Images

![520-SO-106 (520 Series) Steel 106 Link Traditional Street and Off-Road O-Ring Chain with Connecting Link - Image 1](https://m.media-amazon.com/images/I/71vAyJ9jBzL.jpg)

## Available Options

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

## Questions & Answers

**Q: What size chain will this fit**
A: 520

**Q: Will this fit a 2005 honda crf 450r  ??**
A: I believe the stock chain for those are 520/114 so yes this should fit

**Q: Does the manufacturer specify this as suitable for x type  (520xso)  chains?**
A: Xso.. is an X type chain means o-ring

**Q: Does this come with the connecting master clip?**
A: Be aware that RK chain master links are a press-fit. Even the clip-style require a you to press the link-plate onto the connecting link pins. If you don't have a chain press tool, you can use a C-clamp and a small socket as a press. Once the link-plate is installed then put on the clip with the rounded closed end in the direction of travel.

## Frequently Bought Together

- RK Racing Chain 520-SO-106 (520 Series) Steel 106 Link Traditional Street and Off-Road O-Ring Chain with Connecting Link
- JT Sprockets JTR486.42 42T Steel Rear Sprocket , black
- JT Sprockets JTF1539.15 15T Steel Front Sprocket , black

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**Shop now:** [https://www.desertcart.dk/products/356964079-520-so-106-520-series-steel-106-link-traditional-street](https://www.desertcart.dk/products/356964079-520-so-106-520-series-steel-106-link-traditional-street)

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-01-23*