Originally Posted by
SpikedLemon
I'm trying to remove the bottom bracket from my old mountain bike but the cup side (non-drive) is stuck.
I'm debating cutting it out with a dremmel as a backup (but I'm not sure if that'd ruin the threads on the bike).
Consider the circumference of the BB shell. Think about how little of that you might lose if you are somewhat skilled when you cut the ring out.
In short, don't worry about it.