I once sent in a frame to be powder coated, and taped off the fork with high temp tape to show where I wanted it to be masked off, assuming the powder coater would mask off the rest of the chrome. He didn't, so I had a small strip of chrome. I searched online and found that automative gasket remover will remove powder coat (and if it can remove powder coat, paint should be a snap!).
It worked for me. Just coat it on, wait, then use a plastic scraper. I had to use 2-3 coats of gasket remove to do the job, but I got it all off. I used Permatex gasket remover, but others may work as well.
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If someone tells you that you have enough bicycles and you don't need any more, stop talking to them. You don't need that kind of negativity in your life.