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  • Thanks very much, couldn't quite work out was was going on. I want an expanding seatpost but on an inline post and had thought about the below design on a Thomson Elite for example. Other than having to take the saddle off to adjust height, is there a better way for modifying and inline post? @mdcc_tester ?

  • is there a better way for modifying and inline post?

    Use a cone and slot the post rather than using a wedge. You want to copy Cinelli, not Kalloy :-)

    The Atax double cone design is even better

  • Much appreciated! I know converting the seat tube to a traditional clamp is easier, just doesn't seem like cricket on these frames.

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