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Thread: Tire Sizes?

  1. #1
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    Tire Sizes?

    Hi all,
    I'm a newbie to the world of cycling and need some help. I've recently purchased a used Trek 7500FX bicycle that has 700x35 tires. The tire I'd like to move to is the Specialized Nimbus Armadillo. Unforunately, it comes in 700x28 and 700x38 not 700x35. Do I have to buy the exact same size or can I go with 700x38 or something else? Any help will be appreciated. Thanks and take care.

    John

  2. #2
    Senior Member capwater's Avatar
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    Welcome!

    38 will work, 3mm diff is only 1.5/side and ever so slightly taller a profile. Bike like that sufficient clearance.

    A Lil Rhody guy, eh? I grew up in EG, left 30 years ago for the sunny south where I can ride year long! Happy trails.

  3. #3
    Senior Member
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    There is a good table of rim width/tyre width compatability at
    http://www.sheldonbrown.com/tire_sizing.html

    Note that different brands use tape measure of widely differing accuracy. One man's 28mm is another's 32mm and yet another's 25mm.

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