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  1. #1
    808+909 = Party Good Time
    Reputation: chumbox's Avatar
    Join Date
    Jan 2008

    Seatpost Tech Question: 10mm offset = 10 degree layback?

    Have a 10mm offset GT seatpost and looking at Thomson layback seatpost which is 10 degree layback... appears to slightly more offeset but wasn't sure how it correlates?

    Would 10mm be closer to a straight post?


  2. #2
    Big Gulps, Alright!
    Reputation: Berkley's Avatar
    Join Date
    May 2007
    Layback and offset are two different things. Offset is when the post is straight and has the clamp pushed back (e.g. 10mm back = 10mm offset). A layback post is when the post is bent backward. 10 degrees of layback does not necessarily mean it's offset 10mm.
    Axle Standards Explained

    Founder at North Atlantic Dirt, riding & writing about trails in the northeast.

  3. #3
    Old man on a bike
    Reputation: Bikinfoolferlife's Avatar
    Join Date
    Feb 2004
    The Thomson post has an angled design but it still has a set amount of setback (or layback), 16mm I believe. I think the most setback you'll find is about 25mm...
    "...the people get the government they deserve..."
    suum quique

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