Originally Posted by
xB_Nutt
Old and New, thanks for the info. cb400bill, thanks for posting the pics (new Mac and I haven't quite mastered all the ins and outs yet)
I was planning to try a 27.2 seatpost when it arrived and then go from there on determining seat post diameter. The main reason I bought it was for it's rather (at least by today's standards) geometry. 60 cm seat tube and a 56 cm top tube. Works great with my build (long legs, medium torso).
those dimensions are more common than not especially in the early '80s and before, typical Italian geometry. By the very late '80 actually even later, tope tubes were more or less equal the the STs, depending on brand. Most older ones had short TTs.
Grab any seat post that's handy. Shops have meas. guages, tube things with steps, much easier than fiddlin' with a caliper. Any LBS oughta get a kick outa that frame and will oblige.