--- product_id: 14373473 title: "RK Racing Chain 520-SO-106 (520 Series) Steel 106 Link Traditional Street and Off-Road O-Ring Chain with Connecting Link" brand: "rk racing chain" price: "₩205476" currency: KRW in_stock: true category: "Rk Racing Chain" url: https://www.desertcart.kr/products/14373473-rk-racing-chain-520-so-106-520-series-steel-106 store_origin: KR region: South Korea --- # 6,900 lbs tensile strength Supports up to 400cc motorcycles Nitrite Butadiene O-ring seal RK Racing Chain 520-SO-106 (520 Series) Steel 106 Link Traditional Street and Off-Road O-Ring Chain with Connecting Link **Brand:** rk racing chain **Price:** ₩205476 **Availability:** ✅ In Stock ## Summary > 🔗 Ride Strong, Ride Smart — The Chain That Keeps You Ahead ## Quick Answers - **What is this?** RK Racing Chain 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?** ₩205476 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/14373473-rk-racing-chain-520-so-106-520-series-steel-106) ## 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 - • **Ready to Ride:** Includes a clip-type master link for quick, hassle-free installation. - • **Smooth Efficiency:** Nitrite Butadiene O-ring seals lock in lubrication, minimizing drag and maximizing horsepower. - • **Unmatched Durability:** Withstands an impressive 6,900 lbs tensile strength for relentless performance. - • **Versatile Powerhouse:** Engineered for both street and off-road rides up to 400cc—your all-terrain companion. - • **Lightweight Yet Strong:** Only 3.39 lbs per 100 links—optimized for agility without compromising strength. ## Overview The RK Racing Chain 520-SO-106 is a high-performance steel O-ring chain designed for low to mid-range motorcycles up to 400cc. Featuring a durable Nitrite Butadiene O-ring seal, it ensures smooth power delivery with minimal drag. Boasting a tensile strength of 6,900 lbs and a lightweight design, this chain is perfect for both street and off-road use, complete with a clip-type master link for easy installation. ## Description RK’s traditional round O-ring chain is a convenient blend of performance and affordability. SO’s O-ring is constructed from Nitrite Butadiene to seal in lubrication and deliver smooth power with minimal seal ring drag or loss of horsepower. 520SO chains are suitable for low to mid-range CC motorcycles that came from the factory with sealed chains. 520SO can be used for both on street and off-road up to 400ccs. Tensile Strength: 6,900 lbs; Max CC Rating: 400cc Street, 400cc Off-road/ATV; Max Horsepower: 60 HP; Weight per 100 Links: 3.39 lbs; Max Chain Width: 21.7mm; Master Link Included: Clip type. ## Features - RK’s traditional round O-ring chain is a convenient blend of performance and affordability - SO’s O-ring is constructed from Nitrite Butadiene to seal in lubrication and deliver smooth power with minimal seal ring drag or loss of horsepower - 520SO chains are suitable for low to mid-range CC motorcycles that came from the factory with sealed chains - 520SO can be used for both on street and off-road up to 400ccs - Tensile Strength: 6,900 lbs; Max CC Rating: 400cc Street, 400cc Off-road/ATV; Max Horsepower: 60 HP; Weight per 100 Links: 3.39 lbs; Max Chain Width: 21.7mm; Master Link Included: Clip type ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B007A8OJX4 | | Best Sellers Rank | #26,167 in Automotive ( See Top 100 in Automotive ) #30 in Powersports Drive Chains | | Brand | RK Racing Chain | | Customer Reviews | 4.6 4.6 out of 5 stars (1,479) | | Date First Available | February 15, 2012 | | Exterior | Steel | | Is Discontinued By Manufacturer | No | | Item Weight | 3.8 pounds | | Item model number | 520-SO-106 | | Manufacturer | RK Excel America | | Manufacturer Part Number | 520-SO-106 | | Model | 520SO | | Product Dimensions | 10.3 x 4.8 x 1 inches | ## Product Details - **Brand:** RK Racing Chain - **Item Pitch:** 15.88 Millimeters - **Load Capacity:** 7.7E+3 lbf - **Material:** Alloy Steel - **Specification Met:** ANSI B29.1 ## Images ![RK Racing Chain 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) ![RK Racing Chain 520-SO-106 (520 Series) Steel 106 Link Traditional Street and Off-Road O-Ring Chain with Connecting Link - Image 2](https://m.media-amazon.com/images/I/81xT+XntTLL.jpg) ## Available Options This product comes in different **Color, 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 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.kr/products/14373473-rk-racing-chain-520-so-106-520-series-steel-106](https://www.desertcart.kr/products/14373473-rk-racing-chain-520-so-106-520-series-steel-106) --- *Product available on Desertcart South Korea* *Store origin: KR* *Last updated: 2026-07-25*