Tire Sizes

Discussion in 'Mountain Bikes' started by R&R, Nov 10, 2004.

  1. R&R

    R&R New Member

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    Can anyone tell me do what the second number in the tire measurements refer to 26 x 2.1, 2.2 2.3..etc and does the width of your wheel determine the size of the latter number you choose. Advantages/dis-advantages of sizes? Any help would be appreicated. Tks.
     
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  2. Duckwah

    Duckwah New Member

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    The second number in a tyre size refers to the width of the tyre in inches.

    It is not an exact measurement, one manufacturers 2.0 may be as wide as anothers 2.2 but in general you can get slicks down to 1.5 for MTB wheels, XC tyres are normally 1.9-2.1 and downhill and freeride tyres start at about 2.3 and go up to 3.0!

    A narrower tyre is lighter and will normally have less rolling resistance but will have to be run at higher pressure and won't have as much grip.

    The width of your rim doesn't have anything to do with your choice, choose based on your riding style and be aware that even a small difference like 2.1 to 2.3 can make a huge difference!
     
  3. peet9471

    peet9471 New Member

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    Narrower tires are for use on hard surfaces, wide tires on soft. Big knobs are for mud and very soft dirt.
     
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