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  1. #1
    is full of it. charlisity's Avatar
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    wheel axle width questions

    I have a few questions:

    Does the amount of gears have an affect on the rear axle width?

    Would you need to measure the span between the dropouts to get the correct rear wheel?

    Is it damaging to the frame if you spread it a little to fit wider wheels or sqeeze it together when you tighten thinner wheels? Better yet, how much flex is acceptable to fit wheels on the front and back?

    Are fork axle-spans a standard width for 700c wheels?

    Thanks for the help.

  2. #2
    Senior Member Retro Grouch's Avatar
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    Quote Originally Posted by charlisity
    I have a few questions:

    Does the amount of gears have an affect on the rear axle width?

    Would you need to measure the span between the dropouts to get the correct rear wheel?

    Is it damaging to the frame if you spread it a little to fit wider wheels or sqeeze it together when you tighten thinner wheels? Better yet, how much flex is acceptable to fit wheels on the front and back?

    Are fork axle-spans a standard width for 700c wheels?

    Thanks for the help.
    1. Yup.
    2. Yup.
    3. Maybe. Issues include frame material, how far you're spreading the triangle, and how much nuisance factor you're willing to tolerate. To me, it's easier to modify the hub to fit the bike frame. that way I only have to mess with it once.
    4. Define "fork". If you're talking about front wheels, the answer is "Yes." They're pretty much standardized at 100mm. If you're talking about a rear wheel, they vary from 110mm to 135mm depending upon the age and type of bike.

  3. #3
    Gone, but not forgotten Sheldon Brown's Avatar
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    Quote Originally Posted by charlisity
    I have a few questions:

    Does the amount of gears have an affect on the rear axle width?

    Would you need to measure the span between the dropouts to get the correct rear wheel?

    Is it damaging to the frame if you spread it a little to fit wider wheels or sqeeze it together when you tighten thinner wheels? Better yet, how much flex is acceptable to fit wheels on the front and back?

    Are fork axle-spans a standard width for 700c wheels?
    See: http://sheldonbrown.com/frame-spacing

    Sheldon "Make It Work" Brown
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    |   from the manner in which a savage wields his club.            |
    |                                                 --T.H. Huxley   |
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    [COLOR=blue][CENTER][b]Harris Cyclery, West Newton, Massachusetts[/b]
    Phone 617-244-9772, FAX 617-244-1041
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  4. #4
    is full of it. charlisity's Avatar
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    Thanks guys. That did it.

  5. #5
    cab horn
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    Do #3 only if it's a steel frame. Seriously.
    Mes compaingnons cui j'amoie et cui j'aim,... Me di, chanson.

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