rec.sport.unicycling · Public discussion

flat tire on koxx uni

Started by cafi · · Last activity · 5 posts · 383 views

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rec.sport.unicycling
Published
24 May 2007
Last activity
24 May 2007
Original author
cafi
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5
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  1. I ride a freetricks and about a week ago I started using a lot of
    pressure on the tire. Two days after I had a flat tire. So I noticed
    that using it too inflated makes the air chamber almost pops out
    between the holes on the wheel, what causes the flat tire.

    Did it happen with someone else?

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    cafi
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  2. do you have rimtape on your rim covering the holes? And how much is alot
    of pressure? You sure your tyre was rated as high as you went?

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    brendan
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  3. the rim tape was just not enough to protect the chamber. The pressure
    was like 30 psi. I‘m puting an extra rim tape for extra
    protection.

    Let‘s try…

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  4. Hey dude,

    I wouldn't worry about it, I assume you have a drilled Try-All rim
    yeah?

    If so, having soft plastic rimtape on the rim is paramount because the
    inner tube will get shredded because it wants to pop out of the holes
    on the rim. So a rimtape will act as a 'wall' stopping it from doing
    so.

    Also, it depends on your tyre. Check the maximum inflation rating, and
    make sure not to go above that number.

    Another tip: When putting a new tube in, make sure you do a quality
    job, because from personal experience and from other peoples'
    experiences throughout a range of sports: BMX, Trials bikes,
    unicycling.. sports which I all do... is to to spread powdered chalk on
    the inside of the tyre surface and make sure to sand away any sharp
    little bits on the inside of the tyre. Then, buy a good inner tube and
    cover that in powdered chalk too, and then fit it in the tyre and the
    rim nicely. Pump up to the right pressure, and should be good.

    Incase you're wondering.. the powdered chalk is there so that if ever
    the tyre folds (from jumping or anything) the tube doesn't grip to the
    tyre during the folding. When people don't use chalk, eventually the
    tube gets ripped easily during jumping because the tube is gripping
    against the folding tyre which causes it to flex and rip. Having chalk
    stops the tube gripping to the tyre which minimizes the chances of
    getting pinch flats.

    Hope this sorts your problem, if it doesn't I'll see what else I know
    that could help. 🙄

    EDIT: Also, make sure your rimtape between the inner tube and rim is
    wide enough to cover the width of the rim.

    --
    Sponge

    MSN: [email hidden] feel free to add🙂

    Quoted message said:

    *Quote Joe Hodges: "Bikes are made for trials, unis aren't."* 🙄

    "unstablebutable" the video, editing finishes this weekend.
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  5. thank you very much. In Brasil we usually have to improvise solutions,
    so I‘m sure this won‘t be a huge problem. I‘ll use
    the tips and if I find out anything different I‘ll get in touch.

    YTnhaks again

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