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  1. #1
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    embarassing question

    i'm buying a trek 520 and want to run wider tires. it comes stock with 700x32s. do i have to replace the rims to run 700x35s?

  2. #2
    biked well well biked's Avatar
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    No problem to run 35's with your rims.

  3. #3
    hello roadfix's Avatar
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    No, your current rims are fine.

  4. #4
    mr. bananagrabber itty01's Avatar
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    ditto. it will be fine.

    you can check out the chart (bottom of page) at this sheldon brown's site.
    it has appropriate tire sizing according to rim width.
    http://www.sheldonbrown.com/tire_sizing.html

  5. #5
    Senior Member Old School's Avatar
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    Quote Originally Posted by joejoe View Post
    i'm buying a trek 520 and want to run wider tires. it comes stock with 700x32s. do i have to replace the rims to run 700x35s?
    Are you CRAZY??

    (Sure, they will be fine -- we are only talking 3 silly millimeters here!)

    -- O.S.
    Life is not a journey to the grave with the intention of arriving safely in a pretty and well-preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and loudly proclaiming, "WOW! WHAT A RIDE!"

  6. #6
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    thanks folks, this is great news!

  7. #7
    Senior Member
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    I'd be equally concerned about fitting the fork, will there be enough clearance in the crown area? I don't know. 3 mm doesn't sound like much, but....

  8. #8
    Senior Member
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    The 520 is Trek's touring bike so I expect they gave it plenty of clearance for wider tires and fenders.

  9. #9
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    i've heard fork clearance is one of the 520's cons, but someone told me (from experience) they handle 37s with fenders. so, i'm set!

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