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  • front & rear mech questions
  • Gooner
    Free Member

    1. I have a shimano xt fd m770 front mech that has only been used for one ride. It came off a 2005 bullit. will it fit a 2009 heckler (needs a 34.9mm) with or without some spacers?

    2. what is the difference between long and short cage rear mechs – when/why would you use a long or short?

    thanks

    steve_b77
    Free Member

    1 – Should do.

    2 – Long cage for 3 chain rings at the front, short cage for single chain ring at the front

    cynic-al
    Free Member

    1. Must be a top swing, size ok

    2. Long arm mechs accomodate more chain slack and bigger granny cogs

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