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  1. #1
    Junior Member
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    can you guys demystify the seatpost phenomenon?

    I have an 06 Fuji hybrid, and had the seat+seatpost stolen (i had replaced the QR with a bolt).

    According to the Fuji website, the seatpost clamp is 31.8mm, but I'm not sure that's what the diameter of the seatpost itself should be.

    I have a 27.2 post here, I'm just trying to figure out what size shim I should get to make it fit.

  2. #2
    Mooninite shakeNbake's Avatar
    Join Date
    May 2006
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    31.8 = the outside diameter of the seat tube

    27.2 = the outside diameter of the seat post (a hair smaller than the inside diameter of the seat tube)

    You probably won't need a shim.

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