Skinny tyres too skinny?- Mtbr.com
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  1. #1
    no trees are safe
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    Skinny tyres too skinny?

    Hey guys.

    I'm thinking about buying a set of tyres for road trips. Knobbies aren't very effective while in tarmac.. I don't want anything too heavy so I'm thinking of using Maxxis Detonator 1,35 or something similar. But... I'm kinda concerned that the rim will be too wide and I won't be able to mount the tyre properly.

    So... Should I be concerned? Any other tyres to consider?

    Thanks.

  2. #2
    mtbr member
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    23mm tires are popular on 23mm rims in the road world. A 1.35 would be a ~34mm tire. It'll fit fine on almost any mountain rim.

    It would help to know what rim you have though..

  3. #3
    no trees are safe
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    It's a WTB dual duty rim which is supposed to be 23mm wide, It's Ok? The smallest tyre I've ever run on it was 1,75 and it was SMAAAAAALL.

  4. #4
    Nouveau Retrogrouch SuperModerator
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    Skinny tyres too skinny?

    Quote Originally Posted by Millfox View Post
    It's a WTB dual duty rim which is supposed to be 23mm wide, It's Ok? The smallest tyre I've ever run on it was 1,75 and it was SMAAAAAALL.
    Not a problem, but is sounds like you do not really want a narrow tire.
    mtbtires.com
    The trouble with common sense is it is no longer common

  5. #5
    no trees are safe
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    Explain please? Why wouldn't I want to run a narrow tyre for road use? Won't that lower the weight ant rolling resistance?

  6. #6
    Nouveau Retrogrouch SuperModerator
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    Skinny tyres too skinny?

    Quote Originally Posted by Millfox View Post
    Explain please? Why wouldn't I want to run a narrow tyre for road use? Won't that lower the weight ant rolling resistance?
    Because you said this
    Quote Originally Posted by Millfox View Post
    ...The smallest tyre I've ever run on it was 1,75 and it was SMAAAAAALL.
    The narrow tire will be lighter but not necessarily reduce rolling resistance compared to a wider road tread tire.

    Lots of choices out there.
    mtbtires.com
    The trouble with common sense is it is no longer common

  7. #7
    no trees are safe
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    Ok Now I'm even more confused... I'm planning to use those tyres on roads, no mtb. Shouldn't lighter tyre offer less resistance even when pumped up? I mean look at road bikes. Their tyres are marrow and often inflated over 8 bars. Yet they roll a lot better than a mountain bike tyre...

  8. #8
    transmitter~receiver
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    Quote Originally Posted by Millfox View Post
    Ok Now I'm even more confused... I'm planning to use those tyres on roads, no mtb. Shouldn't lighter tyre offer less resistance even when pumped up? I mean look at road bikes. Their tyres are marrow and often inflated over 8 bars. Yet they roll a lot better than a mountain bike tyre...
    road bikes use narrow tires primarily due to wind resistance and weight.
    if you compare a 23mm and 28mm road tire of the same construction, the 28mm tire will have lower rolling resistance. it will also have more wind resistance and weight.
    I'd opt for bigger tires for a mountain bike with slicks. You won't drop your bb too much and mountain bikes aren't designed for prolonged straight-line efficiency on smooth surfaces... and it's not just the tires.
    Quote Originally Posted by pvd
    Time to stop believing the hype and start doing some science.
    29er Tire Weight Database

  9. #9
    Nouveau Retrogrouch SuperModerator
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    Skinny tyres too skinny?

    Quote Originally Posted by Millfox View Post
    Ok Now I'm even more confused... I'm planning to use those tyres on roads, no mtb. Shouldn't lighter tyre offer less resistance even when pumped up? I mean look at road bikes. Their tyres are marrow and often inflated over 8 bars. Yet they roll a lot better than a mountain bike tyre...
    The narrower (lower volume) the tire the higher the pressure required to keep it from bottoming out. High pressure does not always equal lower rolling resistance.

    On the same bike and wheels I use 23mm road race slicks @ 90psi and 38mm "fast" road tires @ 50psi that weigh twice as much. The narrower tires a fast, snappy and nervous. The wider are just as fast, corner better, smoother, though slightly slow the handling and are more affected by wind.

    Mtb tires are usually slower rolling because of the tread, thicker rubber, and stiffer casings. In crosswinds the big tires do get pushed around compared to skinny road tires.
    mtbtires.com
    The trouble with common sense is it is no longer common

  10. #10
    no trees are safe
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    Ok thanks guys I'll be thinking about it till I get the money. Cheers.

  11. #11
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    For more speed on the road, consider tire construction and tread before the nominal figure. Chances are you'll find a wide tire that's much faster than the option that looked faster because it was more narrow and lighter weight on paper.

    Also, avoid pumping the tire to rock hard. It will make you slower because of suspension losses. Experiment to find a suitable pressure for the surface you're riding, the tire you are using and your weight.

  12. #12
    no trees are safe
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    Is there anything faster than Slicks/semislicks?

  13. #13
    transmitter~receiver
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    Skinny tyres too skinny?

    Quote Originally Posted by Millfox View Post
    Is there anything faster than Slicks/semislicks?
    Rails
    Quote Originally Posted by pvd
    Time to stop believing the hype and start doing some science.
    29er Tire Weight Database

  14. #14
    Nouveau Retrogrouch SuperModerator
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    Skinny tyres too skinny?

    Quote Originally Posted by Millfox View Post
    Is there anything faster than Slicks/semislicks?
    Wings.
    mtbtires.com
    The trouble with common sense is it is no longer common

  15. #15
    Braille Riding Instructor
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    Thanks for the last two responses, shig and feather. I'll be chuckling the rest of the night. LoL

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