Originally Posted by frantik

from what i see, it's no big deal and you will be able to ride for years to come without doing anything. but you can do a few simple things to improve the cosmetic condition and also ensure the frame rust doesn't ever become an issue. I'd just go with phosphoric acid-based rust remover (such as naval jelly) and/or a brass wire brush, but as others have said you can find tons of info on rust removal in this forum