The 520 MRD6/MRD7 is a non-sealed chain that features EK'S CRH* treated pins.
CRH Pin Treatment:
- EK's exclusive CRH connecting pin treatment provides an extremely hard outside coating and softer inside to increase strength and reduce chain wear.
- The Chromium Carbide pin surface coating also offers superior impact and shock absorption while reducing oxidation caused by natures elements.
Clip link (SKJ) connecting link comes standard. Other optional connecting links are available depending on application.
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