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Thread: 33.3 seatpost collar for 33.6mm tube?

  1. #1
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    Default 33.3 seatpost collar for 33.6mm tube?

    Looking for a backup seatpost collar. Seattube OD is supposedly 33.6mm. Think a 33.3mm ID clamp would be OK?

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    Default Re: 33.3 seatpost collar for 33.6mm tube?

    Quote Originally Posted by thomas View Post
    Looking for a backup seatpost collar. Seattube OD is supposedly 33.6mm. Think a 33.3mm ID clamp would be OK?
    Doesn't the ID of the clamp need to match the OD of the seat tube?
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    Default Re: 33.3 seatpost collar for 33.6mm tube?

    Quote Originally Posted by thomas View Post
    Seattube OD is supposedly 33.6mm.
    Measure it and be sure?

    If it's 33.6, then you need 33.6, otherwise you risk damage to paint, frame and/or seatpost. IMO at least.

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