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Author Message   M1combat Posted on Wednesday, December 15, 2010 - 12:46 pm:        I'm in need of forks or a fork rebuild and I'd like to throw a set of 1125 forks on my Firebolt... As I understand it there's a difference between the lower triple that won't let me use the 1125 lower triple on the firebolt. Sooo... Could one of you take a caliper out to your bike and get me a measurement? I need the diameter of the 1125 forks at the upper and lower triple. I've heard you can work the 1125 forks into the older trees but I want to be sure before I go spending a bunch of money . Thanks in Advance .   Clarkjw Posted on Wednesday, December 15, 2010 - 12:47 pm:        do you already have the forks?   Eece_ret Posted on Wednesday, December 15, 2010 - 02:00 pm:        "but I want to be sure before I go spending a bunch of money" I would hazard a no... A quick email to eeebbbrrr tech might get those numbers for you. They also have them available as take offs.   Avalaugh Posted on Wednesday, December 15, 2010 - 03:17 pm:        I have a complete, and I mean complete, front end, Inc wheel, yokes, clip-on's, forks, ztl2 caliper etc etc Only prob I'm in the UK, pm me if your interested ?   Firemanjim Posted on Wednesday, December 15, 2010 - 04:47 pm:        Quick measurement gets 54mm top,56mm lower.   Petebueller Posted on Thursday, December 16, 2010 - 07:17 am:        07 Firebolt 53.5mm Upper 56.0mm Lower 10 1125R 53.8mm Upper 56.0mm Lower Digital vernier that disagrees with my micrometer but the relative measurements are good   Petebueller Posted on Thursday, December 16, 2010 - 07:19 am:        1125 forks are longer Steering head is about 20mm higher (Message edited by Petebueller on December 16, 2010)   Al_lighton Posted on Thursday, December 16, 2010 - 10:16 am:        The fork Centerline to centerline distance is different on an 1125 than a firebolt. Not by much, about .05" or so IIRC. I've got that number at work somewhere. Since the Wheel is the same, putting the 1125 forks up into Firebolt triples is going to create a small wheel fit problem.   Aj2010 Posted on Thursday, December 16, 2010 - 10:25 am:        I swapped triple clamps on my 1125 for the lightning clamps (to use superbike style handle bars). The triple clamps are about 2.2 mm wider for the 1125, fork tube diameters are the same as the XB's I can't tell you about length but they will physically fit the clamps (note: do not mix upper and lower clamps because of the spacing difference, either both 1125 clamps or both Firebolt/lightning clamps)   M1combat Posted on Thursday, December 16, 2010 - 01:57 pm:        Thanks a ton... I'm sure I can solve the wheel fitment issue (Have Bridgeport and Lathe at my disposal). Looks like the project is a go. Thanks all for your help .

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