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PostPosted: Thu Jul 31, 2014 4:34 pm 
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Joined: Sun May 27, 2012 2:11 pm
Posts: 477
Location: Tucson, AZ
It goddamn better work because I just held my nose and bought a pair of Veloflex Masters :lol:


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Posted: Thu Jul 31, 2014 4:34 pm 


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PostPosted: Thu Jul 31, 2014 10:51 pm 
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Joined: Tue Jul 29, 2014 10:02 am
Posts: 12
Location: Manchester, UK
As a tub newbie I decided to shove in some Caffelatex (now ammonia free I believe). Of course it adds weight but I decided it was worth it. As to the OP point it should work great on latex tubes.

The slowtwitch test is excellent (http://www.slowtwitch.com/Products/Thin ... _4155.html or Google 'slowtwitch sealant test').

I took away this:

Ammonia free is better
They all work better on latex tubes
They all work pretty good on the kind of punctures I get (small)

I didn't go with Bontrager TLR or Orange Seal as the useful lifetime seemed short. Bontrager SealSafe wasn't tested so I didn't go with that either.

Flat Attack is meant to be good though; Caffelatex was available at my LBS hence I went with that.


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PostPosted: Fri Aug 01, 2014 10:11 am 
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Joined: Mon Aug 01, 2011 6:04 am
Posts: 27
have you try using the conti revo sealant.?


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PostPosted: Fri Aug 01, 2014 10:21 am 
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Joined: Tue Aug 28, 2012 2:45 pm
Posts: 1461
Location: Stockholm, The Arctic...
jackie wrote:
have you try using the conti revo sealant.?


It is useless. :(

It coagulates. I will change to Stan's soon. :thumbup:


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PostPosted: Fri Aug 01, 2014 11:05 am 
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Joined: Mon Aug 01, 2011 6:04 am
Posts: 27
it does? i need to check mine ...i actually fill them up in my latex tubulars


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PostPosted: Thu Aug 07, 2014 3:05 pm 
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Joined: Sun Jun 29, 2014 1:27 pm
Posts: 462
I'm fairly certain my Schwable One tubulars have a latex tube, since they lose pressure overnight, around 20 PSI each evening!

Twice now I've repaired a puncture + cut them simply by putting some Stan's NoTubes sealant now and then pumping back up. Once with just a hand pump to around 60PSI, and once with a CO2 canister to get around 100 PSI. Both times I was able to make it to a bike shop to pump back up to 130PSI and ride the rest of the way home. I'm still using the same tubulars. Stan's has saved me from having to replace the tubulars, whereas a inner tube would have to been replaced when I got home.


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PostPosted: Fri Aug 08, 2014 12:03 am 
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Joined: Sun May 16, 2010 7:28 pm
Posts: 917
why 130psi?


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PostPosted: Fri Aug 08, 2014 1:17 am 
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Joined: Sun Jun 29, 2014 1:27 pm
Posts: 462
Wanted to see if the sealant was actually holding, pushed the pressure as high as possible. Turns out it did! Normally I run 120PSI in the tubulars.


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PostPosted: Fri Aug 08, 2014 5:13 am 
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Joined: Wed Oct 30, 2013 12:52 am
Posts: 310
kulivontot wrote:
why 130psi?

Why not 130 psi?


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PostPosted: Sun Aug 10, 2014 10:19 pm 
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Joined: Fri Aug 05, 2011 5:18 am
Posts: 192
Location: Arizona
As a fellow Arizona resident, I went with the Orange Seal, for my tubulars. Still waiting to get a puncture, to see if it works. I'm still carrying my spare tub, just in case. I read the slow twitch test, and I swear they used my "screw the sidewall mishap", on their test!! My LBS carries the Bontrager stuff, so if you have good luck with it, I'll try it next. Nobody up here in the valley carries Orange Seal, for some reason.

I had terrible with Caffelatex, and it wouldn't hold over 80 psi, in a Schwalbe tub. It also failed my own personal test, with the above mentioned screw. It wouldn't hold any air, in this case! This tire is a Veloflex Arenberg.

Image


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PostPosted: Mon Aug 11, 2014 1:49 pm 
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Joined: Sun Jun 29, 2014 1:27 pm
Posts: 462
I don't think any kind of sealant would have been able to fix a screw going through a tire like that!

Hopefully you had a spare tube with you. Or a taxi number handy, lol


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PostPosted: Mon Aug 11, 2014 2:51 pm 
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Joined: Fri Aug 05, 2011 5:18 am
Posts: 192
Location: Arizona
In the Slow Twitch test, they actually used a similar mishap in their testing. I know for a fact that Caffelatex wouldn't seal it!!


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PostPosted: Sat Aug 16, 2014 2:14 am 
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Joined: Fri Aug 05, 2011 5:18 am
Posts: 192
Location: Arizona
UPDATE I took the above pictured tire, and put in ~1 oz. of Orange Seal, to see if it would hold air. No dice. Wouldn't even hold 2 bars of air. I will say, that the holes in that tire are pretty big, so I really didn't expect to get spectacular results.

I am still riding on my Orange Seal filled tubs, and am patiently waiting for my first puncture. Hopefully it won't be another big screw, and be something that the sealant actually stands a chance of sealing!!


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PostPosted: Fri Sep 05, 2014 9:48 am 
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Joined: Fri Jan 31, 2014 4:54 pm
Posts: 343
This morning I had my first flat on latex inner tube. Just before going work, so I was late, again...

Anyways.
It went flat while I was pumping my tires up. When I changed the inner tube, I saw there is a big hole just next to the valve.
Where black material is meeting with the latex tube.

Do you guys have any recommendation? Can I patch it there, or the tube is dead?

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Posted: Fri Sep 05, 2014 9:48 am 


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PostPosted: Fri Sep 05, 2014 10:45 am 
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Joined: Fri May 25, 2007 6:43 pm
Posts: 2872
Probably dead. It's a bugger to patch across a join, especially with dissimilar materials. Quite a stressed area too.
Usually fails there if you've been waggling the stem, you are using a track pump aren't you?

Could also be caused by the tube being stretched as the tyre moves round the rim, you did use shit loss of talc didn't you? (Stops the tube sticking to the tyre)


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