[Product Information]

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• GB520XSO chains feature heat treated hi-carbon alloy steel components with seamless rollers and shouldered bushings， and are fitted with RK's proprietary RX-Ring seal design
• GB520XSO chains offer quality， performance and unbeatable value， for all but the most demanding high performance application
• RX-ring technology offers less torsional friction， increased high-stress performance， and a 30% longer wear life compared to standard o-ring chains
• Viewed in cross-section， the X-ring has two lubrication pools and seal points versus the single seal point/pool design of a regular o-ring chain
• GB520XSO has a maximum tensile strength rated at 8500 foot pounds and is suitable up to 750cc street bikes and 750cc off-road bikes