Originally Posted by
Stormy Archer
Where do you draw the line between mid level and entry level? derailleur hanger?
That's a good start for a road bike (not track).
For vintage, if the post-'60s road bike has an on-frame hanger, cotterless crankset, chromoly main triangle (or better), aluminum rims, and mostly aluminum components, then it's likely at least lower mid-level.