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  1. #1
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    Help With Bike Tire Sizes

    I bought a new Mountain Bike and the tires that came with it say the size is 26x2.1

    But they are really grippy and I cant coast very well on the road so I want to put tires with less treads onto this bike...I have an extra pair of slicks here and the size of them are...26x2.2

    Will the slicks fit on this bicycle properly or do I have to look online for new tires that are exactly 26x2.1?

    please let me know..thank you!!

  2. #2
    BAM! theextremist04's Avatar
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    It'll work just fine.

  3. #3
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    Thank you...Is there anywhere online that explains the way bike tire sizing works so that I can understand this in the future? How do I know how far on either side I can go and the tire will still fit? I mean..26x2.0 and lower..or 26x2.3 or higher..how do I know for sure how many decimal places I can go before the tire isn't going to fit my bikes rim? if you have any links that explain that please let me know..thank you~!!

  4. #4
    jwa
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    Quote Originally Posted by BLKLBL View Post
    ...Is there anywhere online that explains the way bike tire sizing works so that I can understand this in the future? ...
    http://sheldonbrown.com/tire-sizing.html

  5. #5
    rebmeM roineS JanMM's Avatar
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    Unless you want a really cushy ride, get something smaller than 2.2.

  6. #6
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    The narrowest tires available for mtn bikes is 26 X 1.25 and they are not bad at all on the road, but a lot of the rims are too wide for them. I expect the sheldonbrown.com link above would let you know if you can get them for your rims, or if you would need to get new rims. With a lot of people owning mtn bikes and just lately starting to want to go places in the city, this question is going to pop up a lot.
    mainlytext.com/bike.html Bicycling in winter, the entertainment version

  7. #7
    Mad bike riding scientist cyccommute's Avatar
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    Quote Originally Posted by JanMM View Post
    Unless you want a really cushy ride, get something smaller than 2.2.
    Much smaller...like 1.5 or 1.25". Most mountain bike rims are very narrow compared to the tire so you shouldn't have any problems with very narrow slicks.

    Personally, I just leave the knobs on and ride off-road more (social trails, bmx trails, etc). If I want to go faster, I take a road bike
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