Originally Posted by overlandr
I'm trying to identify a 1980s touring/road 63.5cm CTT frame. I was told it was made from 531 tubing. Its been repainted many times and has no stickers on its current coat. I wonder if anyone here knows a definitive way of determining what tubes were used in its construction?
Not without testing the tubes themselves.
Pictures of the frame, especially the bottom of the bottom bracket (serial #?)may help identify it.