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  1. #1
    Senior Member fender1's Avatar
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    Fillet Brazed Schwinn Frame Measurements

    I was wondering what the "real" frame measurements were for Schwinn Super Sports, Sports Tourers and Superiors. I know Schwinn measured center to top on these frames but the extended seat tube (where seat tube meets the top tube) throws off the sizing a bit. Correct? How do these frame measure center to center on the seat tube and the top tube? Any one know?

  2. #2
    Senior Member fender1's Avatar
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    bump

  3. #3
    Senior Member King of Kadence's Avatar
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    On a 65 Super Sport and a 73 Sports Tourer both 24" frames, it is of course 24" to the top of the seat tube from the center of the crank. To the center of the top tube they are 22-1/2".

  4. #4
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    75 Sports Tourer in my basement

    The 1975 Sports Tourer in my basement is 24 inches from center of bottom bracket to top of the seat tube. The bike fits me well and I am 6'-1" (almost 6'-2").

  5. #5
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    Center to center measurement on these bikes is about 1-1/2" less than Schwinn's center to top sizing.

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