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![Chain RK step 520 type SO O'ring reinforced + flat pin rivet link Chain RK step 520 type SO O'ring reinforced + flat pin rivet link](https://motonorddefrance.com/45434-medium_default/chain-rk-step-520-type-so-o-ring-reinforced-flat-pin-rivet-link.jpg)
Chain type SO = reinforced with O type seals.
Rivet link hollow pin head provided.
Maximum recommended use: 400cc for road or quad.
Secure payments. CB 3D secure, Paypal, Amazon Pay
Shipping of products in stock within 2 working days
Return possible of products 14 days after delivery
RK offers the best O-Ring chains in the industry.
All RK O-Ring chains are manufactured with hi-carbon alloy steel for strength and durability.
Applying Nitrite Butadiene O-Rings to seal in lubrication and deliver smooth power with minimal ring drag or loss of horsepower.