Originally Posted by
sd5782
I believe I saw a string method before too.
...to do this with any hope of accuracy, you really need to have the frame up where you can see it and work on it easily, and at least the BB ought to be out.
Both wheels will, of course, be removed. It's a lot easier to do on a bare frame, without the fork flopping around as an extra hassle.
Here are pictures I took recently on a current project.
Originally Posted by
sd5782
I kinda wondered how much a mm or two would be noticed if at all for a casual rider going less than 30 mph.
...you probably won't notice. Try it and see. You can always sting it up later if it's already built up.