• Got one of the oft-purchased lay back 2 bolt carbon seatposts. Tried to fit it to my bob jackson but it looks like the seatpost has come up a bit small, checked it with a vernier and it's about 27mm rather than 27.2... I've messaged the seller, will see what they say.

  • I had that issue with mine as well, solved with a 1.5x1.5cm beer can shim. Had to spread the clamp area just a bit to get it jammed in there though.

  • Yeah this is to fit on a Bob Jackson with the integrated steel clamp thing. It looks like it's really pinching the two sides in...

    I've got one of the fake enve ones on my kinesis and I'd thought that it fitted fine (it's been on there for most of this year with no issues) but just measured that and it's 27.2 across but only 27.0 deep (or the other way round).

    Shim might be the way forward. Anything readily available that's around 0.1mm thick for a shim?

  • Haha, seller replied saying:

    "It is normal 27.2 seatpost will be 27.0-27.2mm".

    I replied saying "No it isn't, and your description doesn't mention that either."

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