{"product_id":"rk-excel-520so-100-520so-o-ring-drive-chain-100-links-natural-finish-by-rk","title":"RK EXCEL 520SO-100 520SO O-Ring Drive Chain, 100 Links, Natural Finish by RK","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. 520SO is available only in natural finish.\n\u003cp\u003eThe RK EXCEL 520SO-100 520SO drive chain is a dependable O-ring chain designed for low- to mid-range motorcycles and powersports applications. Supplied by RK, this traditional round O-ring chain combines practical performance with affordability for riders who need smooth, consistent power transfer. Its steel construction and natural finish make it a suitable replacement for motorcycles originally equipped with sealed chains.\u003c\/p\u003e\u003cp\u003eThe chain uses a nitrile butadiene O-ring design to help retain internal lubrication while limiting seal drag and horsepower loss. The result is smooth operation and reliable chain performance for both street and off-road use. Rated for applications up to 400cc and up to 60 horsepower, the RK EXCEL 520SO-100 is well suited to compatible motorcycles, ATVs, and other powersports vehicles within its recommended operating range. A clip-type master link is included for installation.\u003c\/p\u003e\u003cp\u003eUse the RK EXCEL part number 520SO-100 when selecting a replacement chain for a compatible 520-size drivetrain. This model includes 100 links and is available in a natural steel finish. Always verify chain size, link count, vehicle compatibility, and manufacturer recommendations before installation.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: RK EXCEL\u003c\/li\u003e\n\u003cli\u003eVendor: RK\u003c\/li\u003e\n\u003cli\u003ePart Number: 520SO-100\u003c\/li\u003e\n\u003cli\u003eChain Type: 520SO traditional round O-ring drive chain\u003c\/li\u003e\n\u003cli\u003eApplication: Low- to mid-range motorcycles originally equipped with sealed chains\u003c\/li\u003e\n\u003cli\u003eMaximum Engine Rating: Up to 400cc for street, off-road, and ATV applications\u003c\/li\u003e\n\u003cli\u003eMaximum Horsepower: 60 HP\u003c\/li\u003e\n\u003cli\u003eTensile Strength: 6,900 pounds\u003c\/li\u003e\n\u003cli\u003eConstruction: Steel with nitrile butadiene O-rings\u003c\/li\u003e\n\u003cli\u003eMaster Link: Clip type included\u003c\/li\u003e\n\u003cli\u003eFinish: Natural steel\u003c\/li\u003e\n\u003cli\u003eLink Count: 100 links\u003c\/li\u003e\n\u003cli\u003eRecommended Use: Street and off-road applications within the specified rating\u003c\/li\u003e\n\u003c\/ul\u003e\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }\u003c\/style\u003e\n\u003ctable class=\"productattributes\"\u003e\n\u003cthead\u003e\u003ctr\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cbr\u003e","brand":"RK EXCEL","offers":[{"title":"Default Title","offer_id":67738461307065,"sku":"691-1902","price":116.95,"currency_code":"USD","in_stock":false}],"url":"https:\/\/www.thespeedshopusa.com\/products\/rk-excel-520so-100-520so-o-ring-drive-chain-100-links-natural-finish-by-rk","provider":"THE SPEED SHOP USA","version":"1.0","type":"link"}