Best selling GB520XSO Gold chains, feature RK's patented "RX-Ring" seal design. Viewed in cross-section, the RK "RX-Ring" has two lubrication pools and seal points, that keep twice the lubrication in the chain.
These chains are 2 times more effective at keeping dirt out of the inner workings, compared to the single seal point/pool design of the old school regular o-ring chains.
RK's new GB520XSO chains offer quality, performance and unbeatable value.
8,500 pound tensile. Ideal for any street bike up to 750cc.
This chain comes with a riveting link for a confident and permanent connection.