A quickie rule of thumb that doesn't require you pulling the fork out to see where the threading ends:
1) Put the quill end of the stem up against the head tube/headset, with the lower end of the quill below the lower edge of the head tube/top tube join. 2) Put some masking tape/electricians tape around the quill at the point where the quill clears the headset locknut (or mark the quill with a sharpie, if you prefer). That's your minimum insertion line. In addition to Bill's reason, you're also trying to get the fork far enough down so that pulling up/pushing down on the bars doesn't crack the top tube join. The threaded section of the steerer tube is typically long enough to hold the top headset assembly, but not much longer; if you get down below the top tube, you're usually OK. Peter Adler forever fiddling with mis-sized threaded forks in Berkeley, CA/USA -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To unsubscribe from this group and stop receiving emails from it, send an email to rbw-owners-bunch+unsubscr...@googlegroups.com. To post to this group, send email to rbw-owners-bunch@googlegroups.com. Visit this group at https://groups.google.com/group/rbw-owners-bunch. For more options, visit https://groups.google.com/d/optout.
