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  1. #26
    Senior Member smallwheeler's Avatar
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    Quote Originally Posted by mconlonx View Post
    It depends.

    so much depends
    upon

    a red wheel
    barrow

    glazed with rain
    water

    beside the white
    chickens

    - william carlos williams






  2. #27
    Senior Member iFold's Avatar
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    Nov 2011
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    Quote Originally Posted by cplager View Post
    You're talking about hearing differences, not things inherent smaller wheels. (My 26" wheeled bike is geared (very slightly) lower my 20".
    nope, I'm talking about two different bikes with different wheel sizes. Assuming that both have the same mass and you apply the same amount of power to accelerate it, the smaller wheels would go faster.

    I agree with Mconlonx, practically we dont apply this nor care about how fast we accelerate. We just ride and enjoy every bit of it.
    2013 Cannondale CAAD10 * 2012 Tern Verge Duo * 2011 Trek Sawyer * 2011 GT Avalanche 3

  3. #28
    Senior Member
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    Quote Originally Posted by iFold View Post
    nope, I'm talking about two different bikes with different wheel sizes. Assuming that both have the same mass and you apply the same amount of power to accelerate it, the smaller wheels would go faster.
    If both the bikes and the wheels have the same mass (and mass distribution) then the energy required to accelerate them to a given speed will be equal. Keep in mind that the smaller wheel will need to be spinning faster (higher rpm) for a given linear speed of the bike. Work out the math and the wheel size is not a factor.

    Of course in practice smaller wheels will tend to be lighter so there might be an advantage - but you specified equal mass wheels. There could also be an aerodynamic advantage to the smaller wheels. OTOH, if the tire construction and pressures are kept fixed then there tends to be a rolling resistance advantage for larger wheels. Both of these are small effects - details of both bikes and other factors (e.g. speed reached) would need to be specified to see which one is greater in a particular case.

  4. #29
    Member
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    Jul 2010
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    yogyakarta,indonesia
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    20 inch steel foldingbikes
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    Quote Originally Posted by smallwheeler View Post
    from an ancient, dust-covered thread entombed in the sands of time (but, readily available because: the internet- where nothing ever truly dies). suitable entertainment whilst devouring the best nasi goreng you've never tasted:

    and where is this one is taken? seems delicious

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