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  1. #1
    Mega Clyde bigwies's Avatar
    Join Date
    Aug 2007
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    Melrose, MA
    My Bikes
    2011 Surly Long Haul Trucker, 2007 Trek 7100
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    Anyone know what size seatpost a Trek 7100 uses

    I considering swapping out the suspension seatpost on my 2008 Trek 7100 (20" frame) and I need to know what size to look at.

    Any help would be appreciated.
    Big Wies

    Surly Long Haul Trucker
    Trek 7100

  2. #2
    Senior Member z415's Avatar
    Join Date
    Apr 2006
    Location
    Gainesville/Tampa, FL
    My Bikes
    Trek 1000, two mtbs and working on a fixie for commuting.
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    If you pull it out, it should have it stamped on the post. Flip off the quick release and pull up from the shaft, not the saddle (I've heard of problems with the suspension seatpost coming undone when pulling up by the saddle), and look for any numbers on there - it should have a "min insert" or "max height" and then a number like 30.9 or 31.6 or 27.2 and that would be the size.

    Chances are it is 31.6mm, but I would check before committing to my answer.
    Falling is learning...[SIGPIC][/SIGPIC]...learn to not fall in a box.
    Any good American will watch THIS -and- WHERE WAS MY BIKE MADE?

  3. #3
    Mega Clyde bigwies's Avatar
    Join Date
    Aug 2007
    Location
    Melrose, MA
    My Bikes
    2011 Surly Long Haul Trucker, 2007 Trek 7100
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    Thanks. I will check it before my ride to work tomorrow and post the answer.
    Big Wies

    Surly Long Haul Trucker
    Trek 7100

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