Regina 520 ZRT Z-Ring Chain
... of their superior performance and incredible wear resistance.
uses an exlusive, patented Z-shape ring
that seals in the factory injected lubrication at four points to reduce ... plates for an unbelievable tensile strength, lower friction and higher wear resistance.
- Regina O-Ring
520 ZRH chain
is suitable for up to 500cc MX use and 650cc Enduro use. - Average tensile ...