Traditional round O-ring chain that's a convenient blend of performance and affordability. RK's 520SO Chains are suitable for low- to mid-range cc motorcycles that came from the factory with sealed...
RK's XRE series chains are the successor to XSO chains. Compared to XSO, XRE series chains feature a 20% longer wearlife. XRE chains include XW-sealing rings which provide two lubrication pools which...