Join Date: Jul 2008
Location: Grid Reference, SK
Bikes: I never learned to ride a bike. It is my deepest shame.
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Chainring pins are only useful if you have a bike with a front derailleur.
However, your description leads me to think that your chainline is bad, your drivetrain is noisy or not smooth, and you think grinding the pins off will help smooth it out... in fact, the pins are likely having no effect on the drivetrain, and the only fix for your problems is to get the chainline correct.