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  1. #1
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    How many times do you repair your tubes?

    So how many times do you all patch your tubes before it's time to replace with a new one? Can you ride just as long on a patched tube as a new one?

    I've only patched a tube once and it failed in three days, though it was in a different spot. Just looking for opinions, thinking back at my mechanical engineering classes I would surmise that a patched tube would be significantly less structurally sound.

    Thanks for the posts in advance

  2. #2
    I-M-D bell curve of bikn'
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    Quote Originally Posted by Stv
    Never!



    ......a new tube per perforation.

    Exactamundo!
    Ego Campana Inflectum of Circuitous

  3. #3
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    I keep going until I have patches on patches. The tire provides most of the structure keeping the tube from exploding, the tube merely provides the membrame that air can't penetrate, so I'm not sure that a patched tube is significantly less sound than an unpatched one. However I think age can have a big effect on the effectiveness of the tube.

  4. #4
    BloomBikeShop.com BloomBikeShop's Avatar
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    Depends on the bike. If it's one of my good racing bikes, never. But for my older bikes that I just cruise around on, I'll patch them. But I don't think I've ever used a tube with more than 2 patches. (However, I once repaired a bike that had about 6 patches on a tube!)

    But I do run tubeless tires...

  5. #5
    Senior Member vw addict's Avatar
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    You mean they sell patches??????

  6. #6
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    Never. I've tried many times and it rarely works, and even then, for only a short time. I flat maybe 2X per year, and I put on quite a few miles. Not worth the hassle of going out on a ride and having to fix a flat 3 days after I patched a tube.
    Il faut de l'audace, encore de l'audace, toujours de l'audace

    1980 3Rensho-- 1975 Raleigh Sprite 3spd
    1990s Raleigh M20 MTB--2007 Windsor Hour (track)
    1988 Ducati 750 F1

  7. #7
    Senior Member juicemouse's Avatar
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    Till the tube is old enough that it doesn't hold air for a reasonable amount of time anymore. Note that this has nothing to do with how many times it's been patched. Rema Tip-Top, baby!
    It is my belief that every person in this world has something to teach, and everything to learn.

    In memory of Jim Price (aka. sydney) ...

  8. #8
    Charles cpb406's Avatar
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    On my road bike (high pressure): Zero, not worth the trouble.
    On my mountain or kids bikes (low pressure): A couple of times depending on the situation.

  9. #9
    Senior Member capwater's Avatar
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    Nada. On a road bike tire, properly inflated, assuming you don't ride over a bunch of road junk regularly, really shouldn't be flatting all that much

  10. #10
    Banned. sngltrackdufus's Avatar
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    I'v run tubes with 10 patches on them with out a prob. I currently have 2 on front & five on the rear.

  11. #11
    Banned. sngltrackdufus's Avatar
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    Quote Originally Posted by juicemouse
    Till the tube is old enough that it doesn't hold air for a reasonable amount of time anymore. Note that this has nothing to do with how many times it's been patched. Rema Tip-Top, baby!
    +1

  12. #12
    Senior Member toolboy's Avatar
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    Usually three to four times before chucking it. On a long tour I usually carry only one spare so must fix. I am surprised that so many people throw a punctured tube. It's no trouble to repair a tube - you guys must be really short of time eh? Would you repair a tub?

  13. #13
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    Tubes are so cheap, it's not worth patching. Performance has a sale now for 3/$7.95. There's always a slight chance the patch doesn't hold up and you never know for sure until you ride and find out. Fixing a flat due to a faulty patch isn't worth it.

  14. #14
    Banned. sngltrackdufus's Avatar
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    Flats at the cost of $2.65 each ,no thanks.
    Those tubes from performance are wildly un-uniform, I ran a few of those tubes(performance) before & had nothing but trouble with them. of course, maybe it was just me.

  15. #15
    Senior Member bkbrouwer's Avatar
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    Patches are for getting home. Replace the tube once you get home.

  16. #16
    Senior Member Retro Grouch's Avatar
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    Depends on where the leak is.

    I use the old fashioned patches that come with a separate tube of glue. Follow the directions (it takes 5 whole minutes) and I've never had a patch fail. As a general rule, I'd continue to patch and reuse a tube until I had a cut at the base of the valve stem or immediately adjacent to another patch or something similar that can't be patched.

  17. #17
    Senior Member ken cummings's Avatar
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    Most tubes I patch 7 to 9 times before they separate at the valve stem and are tossed. The two Bontrager tubes I have used failed at the stem the first and second times they leaked. One MTB tube had over 30 patches on it.
    This space open

  18. #18
    Senior Member toolboy's Avatar
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    Quote Originally Posted by Retro Grouch
    I use the old fashioned patches that come with a separate tube of glue. Follow the directions (it takes 5 whole minutes) and I've never had a patch fail. As a general rule, I'd continue to patch and reuse a tube until I had a cut at the base of the valve stem or immediately adjacent to another patch or something similar that can't be patched.
    +1 It's a Zen thing! I've never had a patch fail either - lots do because they use the instant patch or don't let the glue dry completely.

  19. #19
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    I think my record is 7 patches on one tube. I use patches and glue, usually rema brand. My currretn tube has 4 patches on it.

    Once on a schrader tube, I got a slice on the valve stem, and patched it. The stem was now too big to fit through the hole in the rim, so I drilled out the rim to fit the englarged stem.

    It worked well, until I had a blowout.

  20. #20
    Senior Member juicemouse's Avatar
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    Quote Originally Posted by bkbrouwer
    Patches are for getting home. Replace the tube once you get home.
    I do exactly the opposite. Carry a functional tube (or two if you're touring) with you as a spare so that you can swap it out real quick. Good idea to bring a patch kit with you too just in case you have the rare unfortunate occurrence of two (or more) punctures on one ride. Most glueless patches are worthless, especially for high-pressure road bike tires. Patch your punctured tubes at home with a good quality glued patch while you're not getting drenched and/or buzzed by semis.
    It is my belief that every person in this world has something to teach, and everything to learn.

    In memory of Jim Price (aka. sydney) ...

  21. #21
    THIS SPACE FOR RENT
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    Quote Originally Posted by juicemouse
    I do exactly the opposite. Carry a functional tube (or two if you're touring) with you as a spare so that you can swap it out real quick. Good idea to bring a patch kit with you too just in case you have the rare unfortunate occurrence of two (or more) punctures on one ride. Most glueless patches are worthless, especially for high-pressure road bike tires. Patch your punctured tubes at home with a good quality glued patch while you're not getting drenched and/or buzzed by semis.
    I run the same system, and this is totally the way to go. Patches done at home pretty much don't fail if you do it right.

    Every time I go to buy those performance tubes, they only have long stem prestas. Those things are a real pain, the stem is so long it sticks out like 1.5" on an arrowhead rim. What the @#$% for? If you are fast enough to want super-deep V's that would need those tubes, you probably aren't paying for tubes. My LBS sells tubes for 3/$10 plus 10% off for local bike federation membership, I'm happy with that and a big stack of patches.

  22. #22
    Senior Member mihlbach's Avatar
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    I usually somehow loose my tubes, long before thay have too many patches. So I usually end up buying new tubes when I can't find a spare.

  23. #23
    8speed DinoSORAs Ed Holland's Avatar
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    I lost count.....

    Would anyone retiring tubes after a single puncture please forward them to the folloing address:


    (I'll pay postage)

    Cheers,

    Ed
    Get a bicycle. You will certainly not regret it, if you live.

  24. #24
    Senior Member Coyote2's Avatar
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    I think some of you don't know how to patch a tube...If done correctly, a patched tube is just as sound as a tube that has never been punctured.

  25. #25
    Senior Member barba's Avatar
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    I usually just replace a tube once it is punctured, but it is a good skill to know how to patch a tire on the road. I am always amazed how many riders can't replace a tube, let alone patch one. I flatted both tires once (glass in the road hiding in some deep shade). With only one spare tube and no cell phone coverage, you want to know how to use a patch kit.

    Take the flats home and practice. It is bound to happen eventually...

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