Originally Posted by
jefnvk
My Miyata 610 is 34 years old, and had a decent bit of surface rust inside when I got it. It just got Boeshield after its acid bath, though, as I wasn't sure if I was going to powder coat it or not in the near future.
You've been forewarned, three years to doom
My Fuji is only 31 years old and when I looked inside the frame a few months ago, it was fine. All of my bikes are steel and the "newest" one is 21 years old ('95 Rockhopper). None of them are rusty, and none have any kind of gunk on the inside. I do not leave my bikes out in the rain, although of course they get wet when it rains and I do wash them with soap and water.