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  1. #1
    Newbie
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    Jan 2008
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    GT I-Drive 5 broken Derailleur Hanger

    Hi

    some 2 weeks i have bought GT I Drive 5 which is a wonderful bike.

    some 2 days ago, on a calm climb, some fence wire has entered the rims and the
    dérailleur Hanger was broken instantly.

    is it advise to replace the hanger with a CNC machined one? (like the one from pilo)
    I suspect that the original hanger (casting) is too wick...

  2. #2
    slow as I ever was Ex Pres's Avatar
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    Dec 2007
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    an imposter living in the 35223
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    The normal stresses on a derailleur hanger can be handled by either a cast or CNC'd part.

    Don't be all that impressed with CNC. The machines can do amazing things, but the parts are not necessarily stronger than their cast counterparts.
    72 special CNC ______ 72 Frejus (ala Legnano) _73 Holdsworth Record
    80 Ranson__________ 80 unknown French____ 83 Trek 600 (620 styled)
    85 Gianni Motta_____ 90 Miele Gara ________ 02 Casati Dardo #1
    02 Casati Dardo #2 __ 03 Casati Dardo ______ 08 BF IRO (fixed/SS)
    09 Dogma FPX magn_ 10 Vassago Fisticuff (IGH)

    For Sale: _________ 78 Raleigh Professional __ 82 Peugeot PXN10
    85 Trek 560_______ 88 Guerciotti GLX

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