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  1. #1
    Senior Member nevermore1701's Avatar
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    blew out 2 tubes

    yesterday i blew out 2 tubes on my rear tire.on the third one i noticed i had a bubble in the tire. these tires are less than a month old. they are kenda black belts. do i try to make the bike shop replace or should i just suck it up and buy another tire? on a positive note.....my pump was worthless as i discovered on side of road so i did purchase a new topeak mountain morph pump and it is bad ass

  2. #2
    Galveston County Texas 10 Wheels's Avatar
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    You can asked the bike shop.
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  3. #3
    Senior Member Homebrew01's Avatar
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    Hard to judge without pictures. What do you mean by "bubble" ? Is there a cut in the tire that the tube poked through and popped ?
    Bikes: Old steel race bikes, old Cannondale race bikes, less old Cannondale race bike, crappy old mtn bike

  4. #4
    Senior Member nevermore1701's Avatar
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    looks like a 1/4 inch slice in side of tire right by the rim and this caused some of the tube to stick out. i didnt hit anything so i do not know what may have caused it

  5. #5
    Mechanic/Tourist
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    The fact that you are not aware of hitting anything does not mean you didn't encounter a road hazard. For example you could get a cut by running over a curved piece of broken bottle, which could flip up and cut the sidewall. That's just an example of something I can picture happening - the possibilities are endless. I can't count the number of flats I found caused by unused staples. Yet to be answered is how a staple could get into a vertical position, braced sufficiently to penetrate a tire - but it happens. A cut is not any kind of tire defect but conceivably could be caused by a bike shop person carelessly cutting open a bundle of tires.
    There's no such thing as a routine repair.

    Don't tell me what "should" be - either it is, it isn't, or do something about it.

    Please take the time to post clearly so we can answer quickly. All lowercase and multiple typos makes for a hard read. Thanks!

  6. #6
    Galveston County Texas 10 Wheels's Avatar
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    Quote Originally Posted by nevermore1701 View Post
    looks like a 1/4 inch slice in side of tire right by the rim and this caused some of the tube to stick out. i didnt hit anything so i do not know what may have caused it
    Sounds like a glass cut.
    [SIZE=1][B]What I like about Texas[/B]
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    Set F1re To The Ra1n ( NY Night Rain Ride)
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  7. #7
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    Quote Originally Posted by nevermore1701 View Post
    looks like a 1/4 inch slice in side of tire right by the rim and this caused some of the tube to stick out. i didnt hit anything so i do not know what may have caused it
    This is classic. Happens all the time.

    Take a careful look at the brake shoes. Odds are one is a bit high and worn so it overhangs the rim and rubs the tire. The other possibility is that riding under-inflated flexed the tire wall against flexed against the edge of the rim where imbedded dirt abraded it enough to make a cut.

    As far as a defect goes, my basic rule is cuts, gouges, grooves, etc. along the rim line aren't defects, they're caused by something. Ragged tears along the fabric ply lines (45° bias) are probably defects, unless there's an obvious outside cause.
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  8. #8
    Senior Member nevermore1701's Avatar
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    i appreciate all your answers. and most of the things actually happened yesterday when i blew my first tube on my morning ride. i will just buy a new tire and be happy i can ride again. thank you all for the input \m/\m/

  9. #9
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    Quote Originally Posted by nevermore1701 View Post
    i appreciate all your answers. and most of the things actually happened yesterday when i blew my first tube on my morning ride. i will just buy a new tire and be happy i can ride again. thank you all for the input \m/\m/
    Don't forget to track down and fix the cause. You'd hate to do this to a new tire.
    FB
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    An ounce of diagnosis is worth a pound of cure.

    “Never argue with an idiot. He will only bring you down to his level and beat you with experience.”, George Carlin

    “One accurate measurement is worth a thousand expert opinions” - Adm Grace Murray Hopper - USN

    WARNING, I'm from New York. Thin skinned people should maintain safe distance.

  10. #10
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    Also, feel around the inside of the tire for bits of wire, or other sharp objects. Neglecting to remove those will result in multiple punctures in the same location. I use my bare fingers to do this, although others advise against it. Really small bits of wire may go unnoticed with a gloved hand. The downside is that you tend to cut yourself when you find the little bugger!

  11. #11
    Senior Member bikeman715's Avatar
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    use a cotton ball to find the item(s) embed in the tire . that way you don't cut your fingers .
    bikeman715

  12. #12
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    Quote Originally Posted by lunacycle View Post
    Also, feel around the inside of the tire for bits of wire, or other sharp objects. Neglecting to remove those will result in multiple punctures in the same location. I use my bare fingers to do this, although others advise against it. Really small bits of wire may go unnoticed with a gloved hand. The downside is that you tend to cut yourself when you find the little bugger!
    I guess you didn't read the OP's last post. He's buying a new tire, so I doubt he'll find it contaminated with road debris (yet). In any case, the OP saw the immediate cause of his flats, a cut in the wall of the tire.
    FB
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    An ounce of diagnosis is worth a pound of cure.

    “Never argue with an idiot. He will only bring you down to his level and beat you with experience.”, George Carlin

    “One accurate measurement is worth a thousand expert opinions” - Adm Grace Murray Hopper - USN

    WARNING, I'm from New York. Thin skinned people should maintain safe distance.

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