Headset Converstion ZS to EC- Mtbr.com
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  1. #1
    mtbr member
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    Headset Converstion ZS to EC

    Is it possible to use an EC headset (lower) on a frame designed for ZS? Specifically I am wondering if I could use a EC56 bottom on a frame designed for ZS56? I realize it would change the geo some by adding stack between the fork and the headtube.

  2. #2
    Wanna ride bikes?
    Reputation: *OneSpeed*'s Avatar
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    Oct 2013
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    Yes it's possible so long as the EC is compatible with your headtube.
    Rigid SS 29er
    SS 29+
    Fat Lefty
    SS cyclocross
    Full Sus 29er (Yuck)

    Stop asking how much it weighs and just go ride it.

  3. #3
    since 4/10/2009
    Reputation: Harold's Avatar
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    According to this chart, the bore diameter is the same.

    https://www.parktool.com/blog/repair...ication-system

    Is your goal to raise the headtube from doing this? Seems to me that'd be the only reason to do this.

  4. #4
    damned rocks...
    Reputation: Aglo's Avatar
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    Dec 2014
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    2,271
    Does EC56 even exist? Outside of anglsets and reach adjusters, don't recall ever seeing one.
    Last edited by Aglo; 09-13-2019 at 08:19 PM.

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