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A tubeless turd...

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A tubeless turd...

Old 09-02-16, 12:17 AM
  #1  
HazeT
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A tubeless turd...

Got a "flat" last night that the sealant didn't seem to be doing its job. the seat tube had some sealant sprayed over it but the pressure dropped to 60 psi... pumped up again when I got home and in this morning back it was back to 60.
I decided to take it off and patch from the inside and found this:


The sealant is only a month old and I did not use CO2 to inflate, I used the compressor at the bike shop that sold me the sealant.
Any ideas on why would this happen?

Last edited by HazeT; 09-02-16 at 01:12 AM.
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Old 09-02-16, 04:40 AM
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Why don't you try to polish that? Report back.
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Old 09-02-16, 04:41 AM
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What brand sealant did you use? I've been running Stan's on all of my tubeless setups and usually see about 6 months of use before it starts to dry up. Also, what tubeless tires are you running? We are recently hearing reports of sealant drying at a faster rate with the newer generation of tubeless tires like the Pro One's that have thinner sidewalls that are porous by design. Hard to believe that happened in a months time so I'm curious as to what caused it.
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Old 09-02-16, 04:42 AM
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Originally Posted by rpenmanparker View Post
Why don't you try to polish that? Report back.
You can't polish a turd!
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Old 09-02-16, 04:47 AM
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Originally Posted by dvdslw View Post
You can't polish a turd!
Opportunity for a little empirical study.
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Old 09-02-16, 05:05 AM
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Originally Posted by dvdslw View Post
You can't polish a turd!
I was going to make a Donald Trump reference here, but I'll hold back.
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Old 09-02-16, 05:24 AM
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OK, you guys have now convinced for all time that tubeless tires just are not worth the cost/hassle/etc, so you can all stop posting about tubeless flats/mounting troubles/sealant issues.

Thread closed.
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Old 09-02-16, 05:24 AM
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Originally Posted by cyclebycle13 View Post
I was going to make a Donald Trump reference here, but I'll hold back.
Too late, you already did.

Time until thread asplodes: imminently. (but not because of that)
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Old 09-02-16, 05:44 AM
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feed tires more veggies to avoid soft stools......
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Old 09-02-16, 05:47 AM
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Please Chew your food better longer.
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Old 09-02-16, 08:22 AM
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What is the scale of that thing. The size of a nickel, inch long or what?
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Old 09-02-16, 09:29 AM
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So, were you riding in colorado?

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Old 09-02-16, 10:21 AM
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Originally Posted by dvdslw View Post
What brand sealant did you use? I've been running Stan's on all of my tubeless setups and usually see about 6 months of use before it starts to dry up. Also, what tubeless tires are you running? We are recently hearing reports of sealant drying at a faster rate with the newer generation of tubeless tires like the Pro One's that have thinner sidewalls that are porous by design. Hard to believe that happened in a months time so I'm curious as to what caused it.
Orange Seal with Schwalbe Pro One TL easy. I had a puncture on the tire that stan's wouldn't seal so I switched to Orange seal.

Originally Posted by AlexCyclistRoch View Post
OK, you guys have now convinced for all time that tubeless tires just are not worth the cost/hassle/etc, so you can all stop posting about tubeless flats/mounting troubles/sealant issues.
Thread closed.
I'm wondering the same, but I'm looking for ideas on what I could have done wrong and see if it can improve. The other day I hit a pothole so hard in a group ride that my brake calipers moved, the guy behind me got a pinch flat. So it may still be worth from a pinch flat perspective I if I can reduce the hassle to once every 3 or so months. And yes... it is a hassle, I put a new tire on last night and came to the gas station to use their compressor, no dice... it did not take pressure at all.


Originally Posted by bikecrate View Post
What is the scale of that thing. The size of a nickel, inch long or what?
Size of a snickers bar...

Last edited by HazeT; 09-02-16 at 10:30 AM.
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Old 09-02-16, 10:32 AM
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HazeT: Pretty much the only benefit to tubeless I can see is pinch-flat reduction. I run tubulars, and they have the same; I can run as low as 60 psi, and NEVER worry about pinch flatting. From what I can see, tubulars are LESS of a hassle than tubeless, they weigh less, and there are more options. 19th century technology still beats 21st century, it seems....
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Old 09-02-16, 10:32 AM
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Colloquially, a booger, or at massive size a "Stans Monster." It's normal. You should see what comes out of fat bike tires.

https://www.google.com/search?q=mtbr+stans+monsters
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Old 09-02-16, 12:21 PM
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Originally Posted by AlexCyclistRoch View Post
HazeT: Pretty much the only benefit to tubeless I can see is pinch-flat reduction. I run tubulars, and they have the same; I can run as low as 60 psi, and NEVER worry about pinch flatting. From what I can see, tubulars are LESS of a hassle than tubeless, they weigh less, and there are more options. 19th century technology still beats 21st century, it seems....
Nah, you're overstating the difficulty in dealing with tubeless and understating the difficulty (and expense) in dealing with tubulars.
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Old 09-02-16, 03:05 PM
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Originally Posted by HazeT View Post
Orange Seal with Schwalbe Pro One TL easy. I had a puncture on the tire that stan's wouldn't seal so I switched to Orange seal.




Size of a snickers bar...
What? No way... Since 1 month in the tire? That's so impossible to believe...there has got to be something else to this story, if it's even true at all. I don't mean to be a dick, but that's just so far outside of my experience with the same tire, same sealant, that I just can't imagine that's simply a function of time/tire/sealant.
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Old 09-02-16, 03:23 PM
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Those are normal in mountain bike tires. I've never seen Orange Seal do that though. How often do you ride and are the wheels spun regularly? One thing to prevent those from forming is to regularly spin the wheels (like 1-2/week), if you aren't riding, just to keep the sealant from pooling.
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Old 09-02-16, 03:34 PM
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Originally Posted by gsa103 View Post
Those are normal in mountain bike tires. I've never seen Orange Seal do that though. How often do you ride and are the wheels spun regularly? One thing to prevent those from forming is to regularly spin the wheels (like 1-2/week), if you aren't riding, just to keep the sealant from pooling.
Why isn't it orange? Why is it blackened in places? And so big as a candy bar?? No way...
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Old 09-02-16, 03:48 PM
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Originally Posted by gsa103 View Post
Those are normal in mountain bike tires. I've never seen Orange Seal do that though. How often do you ride and are the wheels spun regularly? One thing to prevent those from forming is to regularly spin the wheels (like 1-2/week), if you aren't riding, just to keep the sealant from pooling.
3-4 times a week, 120-150 miles a week.
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Old 09-02-16, 03:52 PM
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Originally Posted by chaadster View Post
Why isn't it orange? Why is it blackened in places? And so big as a candy bar?? No way...
I will see if I still have it, I can send it to you as a souvenir. Only thing that comes to my mind is if the bike shop somehow used CO2 to inflate? I find very unlikely they would use CO2...
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Old 09-02-16, 04:02 PM
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Originally Posted by dvdslw View Post
You can't polish a turd!
Incorrect.

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Old 09-02-16, 04:07 PM
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Originally Posted by HazeT View Post
I will see if I still have it, I can send it to you as a souvenir. Only thing that comes to my mind is if the bike shop somehow used CO2 to inflate? I find very unlikely they would use CO2...
So how come Vittoria Pit Stop works with CO2 driving the sealant out of the can. That gets pretty cold too. No evidence of coagulated sealant.
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Old 09-02-16, 04:25 PM
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Originally Posted by rpenmanparker View Post
So how come Vittoria Pit Stop works with CO2 driving the sealant out of the can. That gets pretty cold too. No evidence of coagulated sealant.
That comes out as foam, not liquid, right? Maybe that makes a difference? I mean, it's partially polymerized if foam isn't it?
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Old 09-02-16, 04:29 PM
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Originally Posted by rpenmanparker View Post
So how come Vittoria Pit Stop works with CO2 driving the sealant out of the can. That gets pretty cold too. No evidence of coagulated sealant.
"From Stan’s:
“We have not tested the Hutchinson FastAir that contains a liquid sealant. We have used the Propane Big Air and the Big Air works fine with our sealant. CO2 will get you out of the woods, but we found it reduced the life of the sealant.
— Peter Kastner
System Manager
Stan’s NOTUBES”
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