>>44249
If you are committed to repairing maybe you can buy a couple of second hand bikes for a handful of kopeks and mine them for parts, instead of manufacturing them. Rest onto the recycling center.
>It is old bike designed in USSR ("Salut", folding one)
Our folding bikes made by Csepel (Weiss Manfred Works, I think I mentioned in the tank thread) were called "Camping".