• This topic has 2 replies, 2 voices, and was last updated 13 years ago by igm.
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  • Stupid post
  • MisterT
    Full Member

    Why are seatposts measured by their total length as against their usable length (ie rail to max height line) – so if I want a post to give 210mm visible post it seems the 280mm post I ordered only has 200mm useable length. Stupid way of measuring posts IMO.

    druidh
    Free Member

    Because the "Min Insertion Line" is only a guide anyway. The seatpost should always be inserted so that it ends below the bottom of the top tube.

    igm
    Full Member

    The OP still has a point 'cos he could measure from the bottom of the top tube before he orders the seat post pretty easily.

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