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RK 520XRE is designed with cutting edge technology from various international on-road & off-road racing, realizing Racing Performance, High Durability and Lightweight providing quick and smooth acceleration. RK 520XRE can be used for both on-road and off-road
RK XRE chains features RK`s only technology of XW-Ring, which has two lubrication pools and three contact lips, a triple barrier structure to further seal the lubrication and prevent debris to enter the chain. The durability has been dramatically improved from XSO series.
RK 525XRE and 530XRE are designed with the concept of “From the Circuit to the Street”, not only suitable for general Street Riding, but also realizing Racing Performance, High Durability and Lightweight developed with FIM Endurance World Championship (EWC) champion teams.
Not sure what it means but this thing sounds like a tuning fork when you flick it. It rings for ages 😂, and sounds wonderful. I hope it works well for my my bike too haha
