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  1. #1
    mtbr member
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    what size seat post clamp?

    on a 2009 rockhopper. not here yet so i cant measure

    http://www.treefortbikes.com/110_333...eat-Clamp.html

  2. #2
    Sheffield,South Yorkshire
    Reputation: ibbo's Avatar
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    most spesh are 34.9

  3. #3
    Harshing my mellow, man..
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    no way to tell until you measure. only one way to be absolutely sure.

  4. #4
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    Website says a 2009 Rockhopper is a 30.9. Here is the link:

    http://www.specialized.com/us/en/bc/...d=09Rockhopper
    2010 Specialized Epic Expert Carbon
    2008 SL2
    2005 S-Works E5
    and the patience of a 2 yr old.

  5. #5
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    Reputation: chuckji's Avatar
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    Seatpost is 30.9.
    OP is asking clamp size.

    Ibbo is correct.

    From the Specialized web site:
    34.9mm inner diameter fits all alloy Specialized mtn frame designs with 30.9mm posts and 34.9mm O.D. seat tubes.
    36.9mm inner diameter fits all carbon Specialized mtn frame designs with 30.9mm posts and 36.9mm O.D. seat tubes

  6. #6
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    Anybody knows for aftermarket superlight seatpost clamps in that size? (from 36.8 to 37.0)?
    If You want Plush, Buy a Couch...
    If you want to go Fast, Buy a 29er

  7. #7
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    thanks

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