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Seatpost shim 31.6 to 27.2 good or bad idea

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  • September 25, 2017 at 9:14 pm #27673
    BABristol

    Just bought a new carbon frame but want to use 27.2 seatpost. Seat tube usually takes 31.6. Has anyone had experience using a shim, if so which one. Have you had any issues or creaking?

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Viewing 8 replies - 1 through 8 (of 8 total)
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  • September 26, 2017 at 3:13 pm #902963
    0
    number9dream

    Yes, used for years on an MTB

    Yes, used for years on an MTB, no issues whatsover

    September 26, 2017 at 3:08 pm #902961
    0
    oceandweller

    +1 to the above. I have a USE

    +1 to the above. I have a USE shim to fit a nice & springy KCNC seatpost (30.9mm) that I got half price, into my Condor (31.6mm) & it’s been flawless.

    September 26, 2017 at 2:44 pm #902959
    0
    missionsystem

    Again, I used a USE

    Again, I used a USE thermoplastic shim on a my old Whyte 19 hardtail. Once i got the setup dialled, no problems at all and it had the effect I suspect your looking for.

    September 26, 2017 at 1:49 pm #902957
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    paulrattew

    I use a USE shim to fit an

    I use a USE shim to fit an Ergon 27.2 seatpost to my 31.6 seat tubed boardman. works perfectly. No creaks, no slips. Helps build in a little more comfort

    September 26, 2017 at 9:21 am #902955
    0
    SingleSpeed

    USE thermoplastics all round

    USE thermoplastics all round here, they are machined to avoid slippage, lather them in plastic paste and jobs a good one.

    September 26, 2017 at 8:22 am #902953
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    seve88

    USE shim and never had a
    USE shim and never had a problem with creaking ir slipping.

    September 26, 2017 at 7:37 am #902951
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    Jimthebikeguy.com

    I use a cane creek one. The
    I use a cane creek one. The seatpost slipped a bit for a while (carbon into alu shim) but has stabilised now.

    September 26, 2017 at 6:29 am #902949
    0
    CXR94Di2

    I use one that came with a TT
    I use one that came with a TT seat post, works fine no creaks, fitted on carbon bike

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