On Thu, Dec 2, 2010 at 9:42 AM, grant <grant...@gmail.com> wrote: > > Anylocal who wants to spread a frame can use our tool for it. We won't > do it for you, you do it yourself and break your own frame (highly > unlikely, but this is your deal). It's a Hozan tool made only for > this job. One bike shop in 600 has one. It hooks onto the rear > dropouts and spreads 'em with an all-thread screw, a little at a time. > You avoid the grunt-and-sudden huge give that sometimes happens with > cruder methods. But if you have only cruder methods at your disposal, > here is---not a rock solid formula, but something to go by, sorta: > > If the chainstays are normal not heat treated CrMo (QB), you'll have > to spread them about 35 to 40mm to effect a 5mm cold-setted diff. > > The way to do this Hozan-free might be to rig some barriers that > don't allow you to pull past that. The H-free technique is" Feet on > inside of left dropout, hands pulling on right dropout." Like rowing a > boat. > > Then reparallelize the dropouts. There's a tool for this, too, and any > bike shop has it. If yours doesn't, run! > > G > > >
As one who has all of the aforementioned tools (and the particularly effective Park FFS-2) at his disposal, but who lacks the experience to use them wisely, I offer, again, the advice to go to a framebuilder or wise old LBS sage to get this work done. John "Crimper of Stays" Speare -- John Speare Spokane, WA USA http://cyclingspokane.blogspot.com/ -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To post to this group, send email to rbw-owners-bu...@googlegroups.com. To unsubscribe from this group, send email to rbw-owners-bunch+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rbw-owners-bunch?hl=en.
