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27.5” fork on 26” GT marathon pro ?

B_The_BikerB_The_Biker Posts: 36
edited April 2018 in MTB buying advice
I have a 2008 GT Marathon Pro and want to swap the front fork for one designed for a 27.5” is this possible? I know it will change the set up and B.B. height but can it be done?

Posts

  • The RookieThe Rookie Posts: 27,781
    Yes very possible, will raise the front end by circa 12.5mm so hardly a disaster (geometry change will be minimal), stick to the same travel though to avoid overstressing the frame.
    Current steed - Whyte T129, 2013 frame, mongrel Revelations, Giant dropper, Stans S1 wheelset. 12, Magura Trail Sport brakes, 1x11. 12.8Kg
  • cooldadcooldad Posts: 32,599
    And unless it has a straight steerer you'll have hassles.
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  • The RookieThe Rookie Posts: 27,781
    A change of headset isn't that big a hassle (?), but yes would add another 5-10mm to the front end height increase.
    Current steed - Whyte T129, 2013 frame, mongrel Revelations, Giant dropper, Stans S1 wheelset. 12, Magura Trail Sport brakes, 1x11. 12.8Kg
  • Thanks and yes it has a straight steerer. Nice 1 for the info everyone
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