Originally Posted by
Charles Wahl
I always measure chain stays center of BB to about where the seat stay axis intersects the center of dropout slot, along the stay. Maybe that's wrong, I'm no framebuilder, but it seems to comport well enough with available specs on bikes that I have. Much easier with a vertical dropout, of course, but there's only one of those in my hoard.
That's how I do it. As long as one is consistent you can compare frames.
__________________
If someone tells you that you have enough bicycles and you don't need any more, stop talking to them. You don't need that kind of negativity in your life.