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  1. #1
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    Stem diameter clamp Question...

    I'm looking to get some riser bars for my mid 80's schwinn sprint, But im not sure on the clamp size I think it might be 25.4 but I'd rather be 100% sure. Thank you!

  2. #2
    Senior Member Thetank's Avatar
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    You can't possibly expect anyone to know what size stem you have just by saying you have a 80s schwinn sprint. More than likely it will be 25.4 but there's no way anyone can be 100% sure without as much as a picture or even better a measurement!

  3. #3
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    bring the stem with you the LBS.

  4. #4
    Senior Member sunburst's Avatar
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    A set of inexpensive (measuring) calipers are a great tool to have in your box. I use mine way more than I expected, but I've got a lot of bikes, and I make a lot of changes. You can measure inner dimensions (the hole in your stem), or the outer dimension of your current handlebars.

    http://www.harborfreight.com/cpi/cta...emnumber=47257


    PS. I'd guess 25.4mm.

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