Originally Posted by
Kommisar89
What size frame and what tubing? My 1972 23" (58.5cm) SL frame is 27.2 but 25" frames are SP and usually 27.0. By the mid 80's there were many more tubing options and smaller increments between frame sizes so it would be hard to generalize.
It is 22" Columbus Aelle (Tretubi). Kinda near the bottom of the Columbus hierarchy.