Originally Posted by
mojo31
hope this helps.
Perfect!!!! Thank you very much!!!! From that photo, I calculate that your BB center to saddle rail height is about 69cm or 27.2 inches. From your height and inseam measurements at that BB to saddle rail height, I think I'll be fine on a 58.
FYI for anyone wondering about the two types of seat masts, short and long below.