Hello, I am a MERLIN fan from Berlin. I was searching for the right seat tube diameter of my 1993 MERLIN Titanium. 27.2 or 27.0 was the question?
I found the answer at RetroBike in fguki post #55 - 27.0 seems to be the right diameter - 27.2 is a bit too tight in my opinion ... I'll try it out...