Originally Posted by
T-Mar
Petterovski's Centurion resembles the few European models that have turned up. As such, I can't provide much useful info. The seat post is most likely 26.8mm, assuming it uses Tange tubing like the North American models.
Seat-tube outer diameter is 29 mm, does that say anything about what tubing it is? Thanks a lot for help, i guess I'll have to take it so my LBS for measurement, just to be sure.