RK 520XRE is designed with cutting-edge technology, ensuring racing performance, high durability, lightweight, and quick and smooth acceleration. RK 520XRE can be used for both on-road and off-road.
RK XRE chains feature RK`s only technology of XW-Ring, which has two lubrication pools, three contact lips, and a triple barrier structure to seal the lubrication further and prevent debris from entering the chain. The durability has been dramatically improved from the XSO series.
