DID Chain 520 x 120 MX Racing Gold Chain
The D.I.D chain advantage isnÔÇÖt just limited to light weight and superior strength.D.I.DÔÇÖs exclusive SDH pin treatment is another secret behind their winning performance.
The SDH pin treatment creates an extremely hard chromium carbide layer on the pin surface which increases chain life. And at the same time the pinÔÇÖs inner core remains soft to absorb the tremendous shock loads of triple jumps without breaking.
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