I would chase the BB shell and any of the eyelets that you want to use. Brake
bosses are pretty clean when they arrive. I would also sand the paint off of
the face any eyelets you plan on using. When you tighten a rack stay or
accessorie to the eyelet, I have found that the paint on the face
I'm building up a Riv myself and am wondering for others with
Waterford-made frames (mine's a Hunqapillar) — how much if any thread
chasing did you need to do to build up the frame?
I'm thinking BB threads, canti brake studs, derailleur hanger, water bottle
bosses, fender and rack mounts, etc.