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  1. #1
    mtbr member
    Join Date
    Jul 2008

    Trance 3 BB replacement


    I want to replace the stock Truvativ 5D crank that comes on the UK spec 2007 Trance 3.

    I fancied an XT Hollowtech 2 setup, however does anyone know if the BB will need faced or should it be ok. It appears that 2007 Trance 1's are fitted with Race Face X-Type BB's so i'm assuming either Giant faces off Trance 1 designated frames ( unlikely ) or the tolerances are OK without any additional facing required ?

    p.s. I'm open to any suggestions regarding my choice of crankset.

    Many Thanks


  2. #2
    mtbr member
    Reputation: EGF168's Avatar
    Join Date
    Aug 2007
    It should be fine without facing so you can just install the XT BB and cranks. The XT cranks and BB are very good.

  3. #3
    Reputation: psych's Avatar
    Join Date
    Nov 2007
    I have a 2006 Trance 4. Stock BB was a cheap cartridge, but higher end 2006 Trances had external BBs and, i presume the front triangle is identical. It appears more or less faced (paint has obviously been removed)

    Anyway, my BB shell is 67mm in width (maybe even a farction less?). I dont know whether that would cause issues when installing an external BB, so thought id better mention it.

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