
Originally Posted by
Blueberry
Clear fingernail polish will work well. I think most of us with steel bikes have used it at one time or another (ahem - like when my DH chipped the paint on my 520 when it was NEW while putting fenders on it).
Is it on the drive (chain) side? Could be that the chain rubbed while it was being assembled. You can get various "guards" for that side. Some like them, some don't. Some of the guards are sticker-like, and some are fabric wraps. Something to think about - particularly if you're just learning to shift a triple...