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  • What size seat post for Trek?
  • JEngledow
    Free Member

    Does anyone know what size (diameter) seat post I need for a 2002 (I think) Trek 4100?

    Thanks.

    br
    Free Member

    Probably easier if you measure it…

    JEngledow
    Free Member

    I’ve eventually borrowed a calliper and measured the inside diameter of the seat tube (I managed to lose the original seat post so can’t use that / get the size from it 🙁 ) and it appears to be 28mm. Does anyone know where I can get a 28mm post or am I better off getting a 27.2mm and a shim?

Viewing 3 posts - 1 through 3 (of 3 total)

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