RK Chain 520xso RX-Ring Chain - 520XSO-102 PTD9_V8AFS03

RK RX-Ring has two lubrication pools and seal points versus the single seal pointpool design of a regular O-ring chain. RKs new XSO chains offer quality, performance and unbeatable value. 8,500 pounds per feet tensile strength. The RK Chain factory has made a running production upgrade to their best selling 520Xso chain. The new upgrade Gbxso and non-gold XSO chains features RKs proprietary RX-Ring seal design and is offered in 520, 525 and 530. All versions are available in either goldgold or standard steel color. Viewed in cross-section, the RK RX-Ring has two lubrication pools and seal points versus the single seal pointpool design of a regular O-ring chain. RKs new Gbxso chains offer quality, performance and unbeatable value, for all but the most demanding high performance application.