Originally Posted by
Andrew R Stewart
that is pretty crude and like what a hobby builder might produce for their second or third frame.
My first was better than this and my first wasn't very good. My initial thought of the wavy top tube was that it was poorly finished bondo trying to cover up kinked/bent tube due to 'stress relieving'.
Structurally, it *may be* fine but, I would have cut this up and thrown it away - and I only build for myself.
This looks like a hobby builder trying to cover material costs by selling a frame before the skill is there to do it right.