Running mechanical on di2 frame

Discussion in 'Cycling Equipment' started by amazinmets733, Jun 17, 2019.

  1. amazinmets733

    amazinmets733 New Member

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    I'm contemplating purchasing a DI2 frame and running mechanical on it. The seller states:

    "ELECTRIC OR MECHANICAL SHIFTING FOR MECHANICAL SHIFTING YOU WILL NEED A CABLE GUIDE UNDER THE BB."

    Is this factual? If so how labor intensive and skilled is the job at hand? If it does work will shifting performance suffer?
     
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  2. dabac

    dabac Well-Known Member

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    Road bikes traditionally have the front shifter cable running down the down tube, changing direction at the BB shell and connect to a bottom-pull front shifter.
    To keep the cable from wandering, and from eventually sawing into the BB shell, you need a BB cable guide. They look like this:https://www.bing.com/images/search?q=bottom+bracket+cable+guide&FORM=HDRSC2
    Fitting one is neither rocket science or brain surgery.
    If done about right, you should have a bike that shifts as well as a bike built for mechanical shifting from the start.
     
  3. BrianNystrom

    BrianNystrom Member

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    It would really help to know what the frame is. Without that information, all anyone here can do is guess.
     
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