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Tubular sealant , yay or nay?

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Tubular sealant , yay or nay?

Old 06-05-11, 05:15 PM
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Fred Smedley
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Tubular sealant , yay or nay?

Anybody have any luck with the new breed of latex sealants in tubular tires? After sewing up a tire last night that had a pinhole near the stem I was thinking how shooting two ounces of my home-brew latex sealant would of been a lot easier than the repair and re-glue. Not so sure that a tubular at 110-120 psi would net the same results of a MTB tire at 30 psi?

Last edited by Fred Smedley; 06-05-11 at 05:18 PM.
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Old 06-05-11, 05:21 PM
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Kommisar89
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I used some. Didn't do much good. Or any good. Got rid of the tubulars. That worked quite well. Haven't had a problem with flats since.
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Old 06-05-11, 05:41 PM
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I have had very good luck with Vittoria Pit Stop.
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Old 06-05-11, 06:27 PM
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Fred Smedley
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Originally Posted by vjp View Post
I have had very good luck with Vittoria Pit Stop.
That sounds promising. I made a batch of homebrew with Latex mold maker, slime and water so I don't have much invested in a gallon of sealant. Most of my tubular flats quite honestly have come from around the stem from either a bad glue job or inflation damage at the stem area on tires that have sat . I use tire savers which is doing very well at keeping the dreaded goat heads from inflicting their pain and don't seem to get any other flats. Unfortunately I invested in two nice set of tubular wheels because they were cheap at the time. I have gotten pretty good at patching and gluing even though its a skill I wish I had not had to learn in hindsight.

Last edited by Fred Smedley; 06-05-11 at 09:09 PM.
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Old 06-05-11, 06:52 PM
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sisddwg
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Don't know because I haven't had a flat on my tubulars in a very long time. Interesting stuff: Google Rambling About Light Wheels by Edward C. Zimmerman. He makes a very strong argument for why tubulars are less flat prone than clinchers and why they are better than clinchers in general. Many tubular naysayers think they know why clinchers are better but haven't really thought it out.
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Old 06-05-11, 07:00 PM
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rhm
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There are people on the touring forum, and the commuting forum, who claim go go thousands, sometimes tens of thousands of miles between flat tires. I am not among them. If I can go a few hundred miles without a flat, I'm very happy about it. I flirted with tubulars for a short while about 30 years ago, and got over it after patching a few tubes; now, when someone says "you don't know what you're missing" I agree wholeheartedly. I don't pretend to know anything about it; I understand why tubulars are better, but I also know I get too many flat tires. Bad flat tire karma, I guess.

That said, I have tried tube sealants more recently, and quite a bit. And everything I've tried, I strongly recommend avoiding it. All the ones I tried made it impossible to patch a tube; the patch goo would dissolve a patch right off the tube. So if you have something better, I can honestly say it might be worth a try. If it's anything I've tried, don't bother. Nay, I mean.
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Old 06-05-11, 08:18 PM
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That stuff freaks out my bike OCD.

Works fine on my lawn mower tires, though.

Reminds me of Ghostbusters, too.
Other than Sigourney Weaver, I was not a fan of that movie.

I vote in the negative.
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Old 06-05-11, 08:45 PM
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I have always wondered if my Stan's sealant that I use on my mtb (non tubeless tires mounted with rimstrips) would work in a tubular as well as it does in my mtb tires. It worked great in my mtb tires, they bled sealant from multiple pin holes in the sidewalls for a few minutes and have been air tight since.
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Old 06-05-11, 08:46 PM
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I've used the TUFO brand sealant on my TUFO tires in the past with great success. The yellow label not the orange label. Absolutely has done everything advertised. It'll seal small tears up to 1/8" or so. The last time I needed sealant I went with Stan's NoTubes. It was cheaper and performed like a champ.

I rarely get flats though. In fact I rarely carry the means to repair a flat on a ride. If I get one on tomorrows ride I'm going to be pissed.

~kn
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Old 06-06-11, 07:35 AM
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I've used Stan's with Veloflex Carbon tubulars - I almost got a flat a few weeks ago, heard the psssssh for a few wheel rotations then the tire sealed up. I added a few more PSI and it was fine 100km later. It wasn't a permanent fix though, the tire didn't hold air as long so I eventually patched it.

FYI - Leonard Zinn recommends Effetto Mariposa's Caffelatex for tubulars.
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Old 06-06-11, 01:16 PM
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Fred Smedley
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Originally Posted by pozzello View Post
I've used Stan's with Veloflex Carbon tubulars - I almost got a flat a few weeks ago, heard the psssssh for a few wheel rotations then the tire sealed up. I added a few more PSI and it was fine 100km later. It wasn't a permanent fix though, the tire didn't hold air as long so I eventually patched it.

FYI - Leonard Zinn recommends Effetto Mariposa's Caffelatex for tubulars.
Good to know!https://cycling.sport24blog.com/2010/...ts-of-sealant/
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Old 06-06-11, 02:26 PM
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Originally Posted by vjp View Post
I have had very good luck with Vittoria Pit Stop.
+1 I ride only tubular tires. My front tire as flatted several times over the last 6 months and I hit it with a can of Pit Stop and in 10 seconds I'm back riding again. Works fantastic.
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Old 06-06-11, 03:27 PM
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sced
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I used Slime for car tires once on a tubular and it worked fine. I will do it again the next time a need arises.
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Old 06-06-11, 05:56 PM
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Slime won't go through the valve very well. Use the correct stuff or it's probably better not to bother. You'll just clog the valve. It works great on most schraeder valve tubes, though.
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Old 06-06-11, 06:40 PM
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Your can use slime with valve cores that are removable. It works. I have one tire, Ralley that is not worth tearing apart, that has a hole in the middle of the tread. I can feel it going bump, bump bump, so I no longer use it. It will work for other punctures though. In one case, the only time it seals is when I am using it, otherwise the sealant moves due to gravity and it starts leaking again.
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Old 06-06-11, 08:42 PM
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garage sale GT
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Originally Posted by SJX426 View Post
Your can use slime with valve cores that are removable.
I've had tubes where it just didn't go even though I removed the core.
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Old 06-07-11, 05:38 AM
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sced
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Originally Posted by garage sale GT View Post
I've had tubes where it just didn't go even though I removed the core.
The car Slime has some black bridging material in it that is easy to see. When I used the car Slime I just screwed the plastic nipple onto the presta valve without removing the core and pumped and relaxed the bottle a few times. I could see the black particulates hanging up on the core stem, unscrewed and shook the bottle, and repeated. I probably got a few ounces into the tire and it worked like a charm until the tire was toast. The sealants specifically made for presta-valved tires are probably better, but more expensive and less handy to obtain. Apparently there are recipes for making it yourself from stuff you buy at the local hardware store.

Last edited by sced; 06-07-11 at 11:15 AM.
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Old 06-07-11, 07:44 AM
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I have the Tufo sealant, but I haven't put it in the tires because I read that it dries out in the tire after a while. I carry it with me along with a presta valve tool I made and a pump.
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