I had a similar spot on a vintage Mtb caused by the chain. I lightly sanded it and then used a boiled linseed oil and mineral spirits mixture to coat the area. I would recoat it a couple of times a year and it worked really well.
On Tue, Dec 30, 2025 at 9:21 AM 'Steven Seelig' via RBW Owners Bunch < [email protected]> wrote: > I bought the bike used and I cannot remember if it had a kickstand on it > at the time. Obviously, there was a kickstand there for a good period of > time. Regardless, I installed a kickstand on the rear triangle so nothing > will be reinstalled on top of the now-rusty area. > > On Monday, December 29, 2025 at 8:26:33 PM UTC-5 George Schick wrote: > >> One thing that strikes me strange during this entire discussion, >> including the OP's post, is *what caused it in the first place*? Looks >> to me like those rust marks on that part of both chain stays indicate that >> one of those kick stands that clamp between the top and bottom of those >> stays was used allowing corrosive elements (street salt) to creep between >> the bottom clamps and harbor there, encouraging rust. Any or all of the >> great recommendations in this thread will surely check the rust problem, >> but after they're applied re-installing that kickstand (if used and riding >> in the same conditions) will be asking for a repeat of the same problem. >> >> On Monday, December 29, 2025 at 7:06:48 PM UTC-6 Jason Fuller wrote: >> >>> I would sand it down with some sandpaper personally, just to get the >>> loose iron oxide off and a nice dependable surface for paint to adhere to, >>> and then wipe clean with alcohol. Then use paint of your choosing really - >>> I'd probably go with automotive touch-up paint with the handy brush to make >>> it easy on myself. As long as it's a proper paint and not just primer >>> (which is porous and will allow rust to continue) and adhered properly, you >>> should be good >> >> -- > You received this message because you are subscribed to the Google Groups > "RBW Owners Bunch" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion visit > https://groups.google.com/d/msgid/rbw-owners-bunch/e18a6951-8d88-4fd2-a94b-21ee3d8cd17bn%40googlegroups.com > <https://groups.google.com/d/msgid/rbw-owners-bunch/e18a6951-8d88-4fd2-a94b-21ee3d8cd17bn%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion visit https://groups.google.com/d/msgid/rbw-owners-bunch/CADA0aDdYfFk4MawBy5X5FN%2BO%2BzAj2g%2BVY%2B%3DLwgBYEoVHX%2B%2Bb3Q%40mail.gmail.com.
