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Question on tube liner after changing a flat

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Question on tube liner after changing a flat

Old 09-15-10, 07:43 AM
  #1  
cpjolicoeur
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Question on tube liner after changing a flat

I had to change my first flat on the road this morning and have a question regarding a sort of "liner strip" that was attached the the old tube when I removed it.



The strip was attached to the outside wall of the tube as it was removed (side that was touching the tire rubber). Is this something that came with this tube or something that came with my rear tire and should have remained?

I didn't put it back in when I put the new tube in, but I'm wondering if its something that came with the tire as a protective barrier of sorts and something that I should put back?
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Old 09-15-10, 07:56 AM
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Those are tire liners that someone else put in there. They're for some extra protection from punctures.

See here: https://www.stopflats.com/tireCareLine.html

You don't absolutely need to put it back in......it was added by someone and didn't come with the tire. IF you're not getting flats without it, then there's really no need to put it back in. I'd leave it out (since it's already out) and just see how everything goes.
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Old 09-15-10, 07:59 AM
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Thanks, thats what I figured.

I did have the rear tire replaced when I bought the bike, so the LBS must have thrown it in there.

I'll just keep it out and throw it back in the next time I replace that rear tube.

WHile we are on the topic, any recommendations for a good tube patch kit?
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Old 09-15-10, 08:13 AM
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Get a patch kit that comes with glue (not the glue-less kind). Other than that, they're all pretty much the same. You can get these ANYWHERE. Walmart, bike shops, online, anywhere.

But now that you brought it up, here are a few pointers on how to use a patch kit. Patches work GREAT if you do them correctly.
1. Clean the area before you try to patch it. Otherwise, the patch won't stick, and it won't work, and you'll think patches are useless.
2. The patch kit will have a little piece of sandpaper or a mini cheese grater in it to rough-up the patch area. Don't skip this step.
3. Follow the instructions and LET THE GLUE DRY before you try to actually apply the patch. If you don't do this, your patch won't work. This is the hardest step too, because you have to wait like 5 long minutes, and you're really ready to get back on the bike by that time. But just wait.
4. A properly patched tube is actually stronger (in that spot) than before it got the patch. If patched correctly, you can use the tube for many more miles.....patches aren't just to get you home. They're permanent if done right.
5. Make sure to have a pump so you can inflate your tire after fixing it!
6. Experiment with patching that tube that you just removed in a few places. You'll see that when you apply a patch correctly, it almost becomes part of the rubber. It's not just "stuck" on the top, but it all sort of melts together.
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Old 09-15-10, 08:19 AM
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cool. thanks for the advice
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Old 09-15-10, 08:27 AM
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Originally Posted by cpjolicoeur
I'll just keep it out and throw it back in the next time I replace that rear tube.
My experience as a shop mechanic is that those liners aren't worthwhile. It only stayed in place for you because it had somewhat adhered itself to the tube. Until and unless it does that, it has a tendency to shift around, especially when pumping up the tire. I can't tell you how many tubes I've changed for customers who had previously bought tire liners.
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Old 09-15-10, 11:34 AM
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Unnecessary weight...lose them.
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Old 09-15-10, 12:45 PM
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My experience as a commuter is that using tire liners has kept me from getting flat tires. I've never flatted using tire liners. I have, however, flatted on several occasions when I wasn't using tire liners.

I've never had a problem with tire liners moving around in the tire, and I talc the hell out of my tubes and the inside of my tire, so the adhesion is rather low. If you're experiencing flats using tire liners, and they're not pinch-flats, then the tire liners probably weren't installed properly to begin with, the tire was allowed to go flat (I pump mine up about twice a week), or else they're just really crappy liners.


Regarding weight, the Mr. Tuffy liners I use weigh 113g per pair. As a 185lb rider, I don't think that additional weight is going to slow me down that much
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Old 09-15-10, 12:55 PM
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But it's rotational weight
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Old 09-15-10, 01:48 PM
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Originally Posted by urbanknight
My experience as a shop mechanic is that those liners aren't worthwhile. It only stayed in place for you because it had somewhat adhered itself to the tube. Until and unless it does that, it has a tendency to shift around, especially when pumping up the tire. I can't tell you how many tubes I've changed for customers who had previously bought tire liners.
Nonsense, tire liners are the best things ever! I've never gotten a flat with a liner installed...get flats once a week without them on regular paved roads. I don't even carry a spare tube or pump anymore, and that saves weight! I can ride over mountains of glass with ease.
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Old 09-15-10, 01:57 PM
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As for weight, there are "spin skins" liners which add 14g per tire. They are made of kevlar or something similar. Made in the USA.

Mr Tuffy at 66g each is enough to deter most people on here, especially considering a whole tire is 200g.
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Old 09-15-10, 02:05 PM
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So no real consensus.

Put it back in if I want, or don't - results will vary.
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Old 09-15-10, 02:14 PM
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Originally Posted by cpjolicoeur
So no real consensus.

Put it back in if I want, or don't - results will vary.
Yeah, but I answered first, so my answer should weigh more than the others.

No, but seriously, if you're not currently having a problem with getting more flats than you think you should be getting, then don't worry about the liners. They were made to solve a problem that you may not even have.

I actually have a set of liners that I haven't used yet. I was getting flats, so I got a new kevlar tire and some liners. I put the kevlar tire on and tried it without the liners, and I basically haven't had a flat since I did that, so I haven't even opened my liners. This was a year ago, BTW. The liners are in my "box of things that I bought because I thought I needed but didn't and are now extra."
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Old 09-15-10, 02:43 PM
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Originally Posted by cpjolicoeur
So no real consensus.

Put it back in if I want, or don't - results will vary.
If you are looking for a consensus, then you are definately in the wrong place!
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Old 09-15-10, 02:45 PM
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Originally Posted by cpjolicoeur
So no real consensus.

Put it back in if I want, or don't - results will vary.
"Ask 10 different people, get 10 different answers"
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Old 09-15-10, 03:04 PM
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Originally Posted by urbanknight
My experience as a shop mechanic is that those liners aren't worthwhile. It only stayed in place for you because it had somewhat adhered itself to the tube. Until and unless it does that, it has a tendency to shift around, especially when pumping up the tire. I can't tell you how many tubes I've changed for customers who had previously bought tire liners.

I beg to differ with you, if installed like the instructions say tire liners work and work well, they do not shift around if installed in the center as the derections say. I agree they add roleing wheight and that's why a lot of guys choose not to use them but for others the flat protection offered is worth the little amount of extra wheight added. Also they do deaden the ride a small amout but again many opt for the flat protection offered by them. On the bikes that I have used them on my flat ratio went down by 90% they do work but we can agree to disagree on this..

Ride Safe,
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Old 09-15-10, 03:17 PM
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^ I could believe that. Obviously my experience will be negative because anyone getting positive results wouldn't be coming into the shop for a flat repair.
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