Originally Posted by
Hobbiano
I'm pretty sure it's the 22" size (56cm)(center to top). I've seen a few 21" examples and the head tube lugs are closer together where you see them on the back side of the head tube.
I found an 84' catalog online. Where did you find an '83 catalog if I may ask?
I found one in the handlebar bag of a Pro Tour I bought a couple of years ago. Sent a copy to vintage-centurion.com.