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5" Extended Swingarm (Black)
Correct factory-style fit and operation
finished in Chrome
these studs feature a precision non-threaded shoulder that passes through the sprocket stack
The studded surface replaces the stock rubber setup
RK Racing BL420MRU 420 Ultra Thin U-Ring Sealed Chain (120 Link) Chain Lube 5" Extended Swingarm (Black)MRU chains utilize RK's proprietary Ultra Thin Seal U Rings which allows the thickness of the seal to be less than 50% of the most common O ring seal MRU features 4 times longer chain life and will require less chain adjustments than comparable non sealed 420 chains Lightweight, low friction, sealed, U Ring 420 pitch chain Great option for up to 212CC 420 sprocket motors Typical chain lengths for CT70 +2" Swingarm CT70 Champion 94 Links Standard
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