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Patching road bike tubes

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Patching road bike tubes

Old 03-28-09, 04:24 PM
  #1  
jzsoup
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Patching road bike tubes

I consider myself to be of average intelligence and slightly above average bike maintenance skills......but why the hell can't I ever patch a road tube?

They never hold. Why do I even try? I always just use a new tube in the end. Is it that the psi is just too great? Has anyone, ever, in the history of history, ever successfully patched a road tube? Do share.
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Old 03-28-09, 04:36 PM
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I have one in my bike right now that I patched about 2weeks ago and have let to get a new tube for it, and its still holding. are you using glue?:
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Old 03-28-09, 05:12 PM
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You have to make sure to give the glue plenty of time to dry before applying the patch. And you don't need much glue. You did rough up the spot first, right?
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Old 03-28-09, 05:31 PM
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I've used glueless and glue type. Both roughed up and not roughed up.

So you guys are saying it can be done. Do you offer classes? I'll be the first to sign up.
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Old 03-28-09, 05:34 PM
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I've never had a patch fail. It's not hard; just follow the directions. Make sure you let the glue dry before pressing the patch on.

Are you sure you are putting the correct side of the patch against the tube? That would be the smooth side; my patches are orange on that side. The rough, black surface faces out.
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Old 03-28-09, 05:34 PM
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What are you patching with? "Glue" you use? I think if it's been open for too long it doesn't work...
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Old 03-28-09, 05:49 PM
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How long do you let the glue dry before you put on the patch? Let the glue on both the tube and patch dry for 3 or 4 minutes before you put the two together. Also, make sure that you appy glue to an area larger than the patch. This ensures there is glue under the edges of the patch.
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Old 03-28-09, 05:53 PM
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Originally Posted by bustaquad View Post
i've never had a patch fail. It's not hard; just follow the directions. Make sure you let the glue dry before pressing the patch on.
+1
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Old 03-28-09, 05:55 PM
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Originally Posted by jzsoup View Post
I consider myself to be of average intelligence and slightly above average bike maintenance skills......but why the hell can't I ever patch a road tube?

They never hold. Why do I even try? I always just use a new tube in the end. Is it that the psi is just too great? Has anyone, ever, in the history of history, ever successfully patched a road tube? Do share.
I guess not if you can't patch a tube.
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Old 03-28-09, 06:20 PM
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Don't use those glueless patches, they are crap.

You shouldn't have problems with the glued patches if you clean the surface of the tube, use enough glue, let the glue dry and then let the tube sit over night before you put air in it. I no longer patch tubes on the road. I put in a new or patched tube in and fix the old tube when I get home.
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Old 03-28-09, 06:23 PM
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Some tubes are harder for the patches to stick. On these I apply 1 coat of glue, let it dry, apply 2nd coat, let dry, apply patch. Worked for me so far.
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Old 03-28-09, 06:26 PM
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Originally Posted by Reynolds View Post
Some tubes are harder for the patches to stick. On these I apply 1 coat of glue, let it dry, apply 2nd coat, let dry, apply patch. Worked for me so far.
Same here. Never had one leak when I began 2 coats.
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Old 03-28-09, 06:29 PM
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Originally Posted by Carbon Unit View Post
Don't use those glueless patches, they are crap.
The Park ones have worked well for me every time I have used them. I only use glue patches at home now.
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Old 03-28-09, 06:40 PM
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I'm amazed by you 'never had a patch fail' guys. Do you have all the original innertubes on all your bikes?
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Old 03-28-09, 06:41 PM
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Originally Posted by ericm979 View Post
The Park ones have worked well for me every time I have used them. I only use glue patches at home now.
I haven't tried the Park glueless patches. I bought the Performance version one time and I think only one of the patches worked and the rest of them failed almost immediately. I then switched to glued patches and have never used them on the road.

I may give the Park Glueless a try.
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Old 03-28-09, 06:43 PM
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I've got polka dot tubes that are over 10 years old. You are PRESSING the patch on tightly, aren't you.

Never had one fail with one coat of glue.

I do rough the tube up really good, until it is dull, with no visible seams.
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Old 03-28-09, 08:04 PM
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Originally Posted by Metzinger View Post
I'm amazed by you 'never had a patch fail' guys. Do you have all the original innertubes on all your bikes?
Not the originals, but I've used tubes with 10 or more patches on them - no problem.
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Old 03-28-09, 08:11 PM
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Originally Posted by Reynolds View Post
Some tubes are harder for the patches to stick. On these I apply 1 coat of glue, let it dry, apply 2nd coat, let dry, apply patch. Worked for me so far.
I'll have to try your method. My success rate with road tubes is really low. I have much better success with MTB tubes. I attribute that to lower pressure and larger surface area/smoother surface where I'm patching.
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Old 03-28-09, 08:59 PM
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The old school type of patches work great and will hold over time.. The glueless patches over time just lose there stick and will not work..

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Old 03-28-09, 09:02 PM
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patching tubes is a winter project. I pop in a new tube when I get a flat
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Old 03-29-09, 12:30 AM
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I bought a 100 pack of Rima patches 3 years ago. Have used about 20 of them. None have failed. I carry spare tubes on rides and patch punctures at home. Those patches are the best purchase I have made, bike related. All have been stuck on with Wal-Mart automotive inner tube patch cement.
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Old 03-29-09, 12:41 AM
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I use park glueless patches - they never fail for me. sand it down - press hard with my thumb and hold for a minute. one of my tubes has 4 patches - been using it for one year now. no trouble whatsoever.
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Old 03-29-09, 01:33 AM
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Park patches always seem to fail after about a month for me, less in hot weather.

Make sure you sand the spot so that it's smooth and put a thin layer of glue that's larger than the patch. Let the glue dry completely, then press and hold a patch onto it for 10 seconds. Haven't had a patch fail on me yet.
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Old 03-29-09, 06:27 AM
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My success rate with glue isn't 100% but it's much higher than with glueless. On the road I'll just switch tubes but I do glue patch when I get home.

When they have failed it's generally because I've been impatient and didn't let the glue dry before I pressed the patch on. It seems counter-intuitive but the patch should go on top of dry glue and that takes a few minutes.

If you want to catch back to your group; use a new tube.

Just to be a retro-grouch . The most consistent patches in the history of patching were the old real vulcanizing ones. You actually lit a match to the glue and the patch became part of the tube. They went the way of dinosaurs (to the best of my knowledge) a long time ago as steel belted radials became standard on cars but they did work.

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Old 03-29-09, 06:33 AM
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after patching I always mount the tube on a rim with a tire and pump it up to full pressure. That helps set the patch. count me among those who have never had a patch fail. had plenty of valve stems fail though!
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