Seatpost shims and warranties

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  • Seatpost shims and warranties
  • Premier Icon nickdavies
    Subscriber

    Did the shim come below the min insertion mark?

    mcgowan
    Member

    Of course

    mcgowan
    Member

    guess it 🙂

    Premier Icon wwaswas
    Subscriber

    Issue is whether the shim went below the junction. Extended seat tube may mean it didn’t.

    Scott specifically say warranty it’s void with use of a shim in their carbon frames.

    mcgowan
    Member

    Hi

    i broke a frame (seatpost tube)even though I respected the minium insertion of it, as I prove them with photos

    This is their reply:

    “They have looked over the information you have sent and because you have used a shim the seat tube has not been supported correctly”

    Note that the shim is a 4″ USE one

    What dou you think???

    mcgowan
    Member

    it is not a extended seat tube, so the shim went below the junction by far

    robdob
    Member

    After my brother cracked his dream Kona Hei Hei frame when he used a shim on his USE seatpost I decided I’d never use one myself (he doesn’t either).
    No seatpost is worth cracking the frame!

    DanW
    Member

    Unfortunately I don’t think many (if any) companies will warranty seat tube damage where a shim has been used. I suspect there is probably quite a variable thickness of shims (poor tolerances) and the seatpost/ seattube contact is less consistent and potentially subject to more bending forces than a seatpost only, even if the shim has a deep insertion. Can’t explain this well but that would be my guess…

    mcgowan
    Member

    and why they don’t say that in the warranty or the owners manual?

    DanW
    Member

    That’s a question to put to the company if it isn’t clear where they state their stance on seatpost shims. Most companies tend to be clear on this.

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