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Storing Patches in Tires?

Old 01-01-17, 01:50 PM
  #1  
IMontoya
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Storing Patches in Tires?

Does anyone store a couple self-adhesive patches inside the tire for an emergency? I think tucking a couple in before inflating the tube would be easy, light, and convenient. Any reason not to?
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Old 01-01-17, 02:18 PM
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I simply Bring a Good spare Inner~tube, swap it for the punctured one, then with the conventional Permanent patch application ,

at a More convenient location, Then, that tube becomes my next 'Just in case' Specimen.

You Have to bring tools, like tire levers, to get your Race-bike skinny tires off, so Why not put your temporary patches in with that?
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Old 01-01-17, 02:35 PM
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Well, let's see:

1) Makes a lump on the outside of the tire, giving you a bumpy ride

2) Unbalances the tire

3) Heat will degrade the patch

4) Heat will cause the patch to adhere

5) Extra rotating weight

Gee, off the top of my head, I can only think of 5 reasons. I assume other people can think of more. What's wrong with putting a few into a bag, and putting that bag inside your seatpost?
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Old 01-01-17, 03:35 PM
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Originally Posted by AlexCyclistRoch View Post

Gee, off the top of my head, I can only think of 5 reasons. I assume other people can think of more.
5 is enough
IMontoya, just buy a boot bag or a water bottle cache like the rest of us.
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Old 01-01-17, 03:37 PM
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I carry three to five tubes, Never patched on the road.
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Old 01-01-17, 03:51 PM
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I've got a specialized mini-pump that has a hollow handle that can carry a patch kit and glue. It has been quite handy.

#6 - So far I've had very bad luck with glueless patches. Perhaps needs better "cleaning". Brand specific?
#7 - Tires are a very dynamic process. While a tube is designed to stretch and an unused patch may not be. If I was going to try it, perhaps lay the patch along the rim. And if small enough, under the rim tape if not affecting tire mounting. MTB tires?

I suppose it all comes down to not trusting the glueless patch from giving me a 20 mile walk home.
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Old 01-01-17, 04:09 PM
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Just how much extra rotating weight is a couple of stick-on patches? Do we really think it would cause a lump in the tire? My opinion on that is: it's no more extra rotating weight than a patched tube, and no it won't cause a lump. And I doubt that the tire is going to get hot enough to damage the adhesive, or the rim strip if you placed it there, if in fact that's a valid consideration. So none of these reasons so far hold up very well. Or at all.

I don't know what the extended pressure is going to do to the adhesive, or if moisture is ever going to get in there. The main issue that I have is that a couple of stick-on patches can be stashed more easily just about anywhere on the bike, and a general dislike for them to begin with. Other than that it's not a bad idea. Why don't you just try it, with nothing really to lose?
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Old 01-01-17, 04:24 PM
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I have friends that use use small patches of duct tape as tire patches an have never had any wheel balance issues or bumps in their tires. If it doesn't create a bump with duct tape, the much thinner patch isn't going to do anything to the tire. I've never placed patches in the tire for later usage but it's an idea that the OP can try and report back with the results at a later date.
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Old 01-01-17, 04:28 PM
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My luck.... would mean [that] the glass/tack/bit of steel belt from a car tire.... that pricked through the tire and into the tube.... would also penetrate the patches if they were stored in the tire.

I carry a postage stamp sized rub-on patch kit in my saddle bag along with a spare tube. But... I use the much more stable [glue] patches when I repair a tube. The rub-on patch is only in case I have a 2nd flat after replacing the tube. I also carry my patches, levers, etc. in a large gallon sized Ziploc bag... so I can carry away the flat tube... without getting my jersey dirty.
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Old 01-01-17, 04:30 PM
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Originally Posted by wphamilton View Post
Why don't you just try it, with nothing really to lose?
It wouldn't hurt to toss a couple in the tire in a few different places and orientations just to see what happens (while having a different backup).

I haven't paid a lot of attention to tire and wheel temperatures, but I did get my aluminum rims quite toasty coming down a winding switchback 10%+ hill on a one-lane road fully loaded with too much camping gear... for a few miles of continuous descent.
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Old 01-01-17, 04:38 PM
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Originally Posted by CliffordK View Post
It wouldn't hurt to toss a couple in the tire in a few different places and orientations just to see what happens (while having a different backup).

I haven't paid a lot of attention to tire and wheel temperatures, but I did get my aluminum rims quite toasty coming down a winding switchback 10%+ hill on a one-lane road fully loaded with too much camping gear... for a few miles of continuous descent.
If the patch's glue is going to be ruined by that temperature, it wouldn't do you much good on the tube either. I'm tempted to take a heat-gun to one, let it cool and patch a tube with it just to see. Except that I really don't like them anyway, and even though I have some scattered about it's only because they take up no room and don't weigh anything. Beyond trivial amounts.
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Old 01-01-17, 04:42 PM
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It's not going to cause a lump in the tire because the tube will deflect, not the tire. Bike tires aren't balanced anyway and they don't need to be, so that's not an issue. The added rotating weight would be so little as to be inconsequential.

All that said, though... I don't use glueless patches, but if I did, I'd probably store them somewhere more convenient.
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Old 01-01-17, 05:12 PM
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Originally Posted by wphamilton View Post
If the patch's glue is going to be ruined by that temperature, it wouldn't do you much good on the tube either. I'm tempted to take a heat-gun to one, let it cool and patch a tube with it just to see. Except that I really don't like them anyway, and even though I have some scattered about it's only because they take up no room and don't weigh anything. Beyond trivial amounts.
Slightly different. Unused glue under pressure vs already stuck glue.

But, it can be handy to have everything together when you need it (thus I like my pump with the patch kit in the handle).
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Old 01-01-17, 05:24 PM
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Originally Posted by wphamilton View Post
If the patch's glue is going to be ruined by that temperature, it wouldn't do you much good on the tube either.
It mightn't ruin the patch, but it might make the glue set, which might be part of the process when used normally.
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Old 01-01-17, 05:37 PM
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I ride two completely different routes. One is a 1.8 mile loop only 2 miles from my house. This is what the patches would be for--but I've never had a flat here. The other route is my commute and weekend cruises through Detroit. I regularly get flats in Detroit even with Gatorskins. When I ride through the city, I carry two minipumps, two tubes, and patches. The city is getting better, but some parts I want to get going again as quickly as possible. I've been using fresh tubes and using the patched ones for reserves. Pretty good luck with those self-adhesive patches I bought in bulk from China with what is likely a carcinogenic adhesive.

I need to replace the tires on a 21 year-old bike I bought on Craigslist. I'll toss a couple patches in and let you know how it goes. About every other weekend I get a flat in Detroit, so at the end of summer I'll have a lot of data points. I seriously doubt the balance will be an issue, but I'll place them opposite of the much heavier valve stem to be safe. If the speeds I ride generate enough heat to degrade those patches, expect to see me in the 2018 Tour de France--because I'm gonna win!
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Old 01-01-17, 05:48 PM
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If I wanted to brainstorm a way that it could be a problem... maybe the edges or corners of the backing could damage the tube, make a scratch that turns into a tear that turns into a hole.
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Old 01-01-17, 06:12 PM
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Old 01-01-17, 06:17 PM
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Originally Posted by IMontoya View Post
I ride two completely different routes. One is a 1.8 mile loop only 2 miles from my house. This is what the patches would be for--but I've never had a flat here.
I would just walk home and change the tire when I got home. There's no way I'd patch a tire if I were that close to home.
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Old 01-01-17, 06:57 PM
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Originally Posted by wphamilton View Post
Do we really think it would cause a lump in the tire?
It can, especially on a thin and supple tire like a Corsa at high pressure.

I've seen overlapped rim tape cause a bump which was noticeable when riding.


-Tim-
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Old 01-01-17, 07:12 PM
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For the few flats I've had over the past 5 decades, a spare tube wrapped tightly in a zip-lock, with some talcum powder, kept in my saddle bag works great. Patched when get home.
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Old 01-01-17, 07:19 PM
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Originally Posted by TimothyH View Post
It can, especially on a thin and supple tire like a Corsa at high pressure.

I've seen overlapped rim tape cause a bump which was noticeable when riding.


-Tim-
So you feel bumps with patched tubes? One or two of these stick-on patches are much thinner than regular patches, so that's a little dubious.

It's also hard to envision how overlapped rim tape could possibly cause a bump in a tire. You have the same pressure on every inch of the tire after all, no matter what's inside. It was a coincidence or a misdiagnosis.
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Old 01-01-17, 07:27 PM
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Originally Posted by AlexCyclistRoch View Post
Well, let's see:

1) Makes a lump on the outside of the tire, giving you a bumpy ride.

You need to think about this. On one side of the patch is the ballistic tire body, and on the other a flexible air filled bladder. Which one do you believe would accommodate the thickness of the patch?

2) Unbalances the tire

Compared to the weight of the valve, rim joint (if any) and manufacturing variances in the rim, tire and tubes, do you really think a patch would unbalance anything, to the extent that it somehow mattered on a wheel that spins at bicycle speeds?

3) Heat will degrade the patch

Heat from where? More than the patch would see in use?

4) Heat will cause the patch to adhere

See above, though given that it's between two rubber layers, it might adhere over time, same as tubes sometimes adhere if one is luckly enough not to have a flat for a long time. So maybe there's an element of truth here.

5) Extra rotating weight

I assume you're kidding here, given that we all ride patched tubes anyway.

Gee, off the top of my head, I can only think of 5 reasons. I assume other people can think of more. What's wrong with putting a few into a bag, and putting that bag inside your seatpost?
So, there's one reason, (answers in line within the quote box) though I'm with you and wonder why one would bother, since they have the tire levers and other needs in a seat bag anyway.
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Old 01-01-17, 08:20 PM
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There is no need to call your mommy just because you had a flat, learn how to fix a flat, it's the easiest of bike repairs and it's the most necessary repair you need to know how to do, and there are tons of videos on YouTube that can show you how. If you insist on calling your mommy whenever you have a flat may I suggest you take up a different sport like running where you can't flatten a shoe. I seriously believe that if you can't fix a flat either just ride around the block where you live so you can easily walk home or don't ride at all because you have no business being on a bike. I know, that sounds so rough...too bad.

If you carry a patch inside the tube not only can you experience a lump as you ride but also you take a chance on damaging the patch. Besides patches take up such little space in a seat bag you won't even miss the space that they take.

Some people replace the tube when they have a flat and simply throw away the tube, I think that's a huge waste of natural resources and money, patches only cost about 50 cents each vs $7 or more for tube. I think the real reason some people throw away tubes after just one flat is that they really don't know how to patch so they use that as an excuse to disguise that fact.

Now the next question is do you patch or replace the tube and patch the tube after you get home. That's a personal choice, there is no right or wrong in whichever way you chose. Personally I patch on the road 99% of the time because I can patch a tube just as fast, if not faster, then replacing the tube! How do I do that so fast you scream? Two things, I use only glueless patches, which if done right is just a permenant of a patch as a glue on as long as you use only Park or Specialized Fatboy which I'm not sure if that brand is made anymore. The glueless patch not only eliminated the need of using glue and waiting for the glue to dry but it also eliminates finding a dried glue tube. The other thing is that about 70% of the time I can locate the penetration point on the tire quickly so then all I have to do is remove about 1/2 of one side of the tire with the hole at the center of the half, then I pull out about a 1/4th of the tube with the hole again in the center of that section, buff the tube and apply the patch, and check the inside of the tire for any offending objects, and put the whole thing back together. Of course if I can't find the offending hole in the tire than fixing the flat might or might not take longer than replacing the tube; don't forget if you replace the tube due to the "speed" of doing so you still have to roll the old tube up while at the same time getting the air out of the tube so it will roll up flat, that takes some time to do and usually I'm done within the same time frame patching, so I see no real advantage of replacing the tube over patching on the side of the road. Of course there are some rare instances, like rain, or you can't find the leak for some odd reason, that it may be impossible to patch on the road so out comes the tube; so then I will take the old tube home and patch it at home.

When using glue or glueless patches it's important to make sure you buff the tire in an area that is slightly larger than the patch will cover, then clean the area you buffed with a alcohol pad regardless of using glue or glueless, with glue on patches you will need to spread a thin layer of glue in an area that is larger than the patch will cover, then remove the backing of the glueless patch touching the absolute minimal area of the patch, apply the glueless patch and press between your fingers and thumb as hard as you can for 30 seconds, check the patch for any frosty areas, if you see a frosty area repress that area for 30 seconds.
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Old 01-01-17, 08:25 PM
  #24  
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Originally Posted by Machka View Post
I would just walk home and change the tire when I got home. There's no way I'd patch a tire if I were that close to home.
Kind of my thoughts, too. But, I could patch the tube and ride home quicker. It really depends where I am on that particular route, because a few pubs are along it and that may help (or hinder) the tube patch.
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Old 01-02-17, 09:56 AM
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Originally Posted by wphamilton View Post
If the patch's glue is going to be ruined by that temperature, it wouldn't do you much good on the tube either. I'm tempted to take a heat-gun to one, let it cool and patch a tube with it just to see. Except that I really don't like them anyway, and even though I have some scattered about it's only because they take up no room and don't weigh anything. Beyond trivial amounts.
@CliffordK and @coominya I did this last night. The heat didn't set the glue, and the patch went on as they normally do, and looked the same after I aired the tire up (not slipping under the edges etc). However, when I pulled it off a couple of hours later it came off way too easily, and that patch wouldn't have held for long. That could have been due to the age of the patch (at least a year and a half) or my not getting the tube clean enough. Unfortunately I could only find one so I couldn't repeat it or try the experiment with a control.
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