Originally Posted by
EjustE
Bianchigirll is the expert here, but I am willing to venture a guess that a. it is not a straight gauge tubing and more likely a DB Tange 900 main triangle and b. it takes a 26.8 seat post.
thanks, its a lower end frame (stem shifters) and after looking again it says P.G. OJI Original Tubing. nothing about Tange, nothing about butting. the 26.4 that is in there seems very tight. i hope all is well...