Seat post clamp size for a 31.6 post?- Mtbr.com
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  1. #1

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    New question here. Seat post clamp size for a 31.6 post?

    What size clamp is used with a frame that has a 31.6 post.

  2. #2
    Derailleurless
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    Collar diameter independant of post diameter...

    You'll probably need a 35mm clamp, but it's best to measure. In most cases it's the same clamp diameter as your front derailleur.

  3. #3
    Gaz
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    34.9mm (nm)

    If... nm still works in this forum!?

  4. #4
    Trail rider and racer
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    Quote Originally Posted by f*nŠtik
    You'll probably need a 35mm clamp, but it's best to measure. In most cases it's the same clamp diameter as your front derailleur.
    Just FWIW, on some frames it is not the same as the Front mech clamp, which surprised me when I found this out. This can be due to the fact of butted or tapered tubing on a frame.

    Trevor!

  5. #5

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    Quote Originally Posted by AMcK
    What size clamp is used with a frame that has a 31.6 post.
    I use a 31.6 Tune seatpost and my Extralite clamp size is 34.9mm both are for sale btw

  6. #6
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    Some companies...

    ...Salsa in particular, use 35.0mm for their binder.

  7. #7
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    Yeah, good point, I threw the...

    ...all important "most" in there. There is always the exception.

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