Originally Posted by
Kmeyer93
So im new to bikes but I am a mechanic by trade so fixing things doesnt scare me too much so I got this bike the sprocket seems to be broken right at the relief holes (assuming thats the point of them) if I were to bend em back and shoot it with a tack weld... or just rock it? Or how much is it to replace the stack? Is it junk yard parts type thing?
It's possible that those are intentionally placed as shifting aids. It looks like there is more than one. It would be way to much of a coincidence to have such a "failure" occur multiple times on only that chain ring. See if you can't find an internet reference to your specific crank.