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PostPosted: Tue Jul 21, 2015 2:24 pm 
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Joined: Fri Jan 04, 2013 7:17 pm
Posts: 73
Location: Fort Worth, TX, USA
FWIW... Found an interesting, technical review of the to-be-introduced, new tubeless tires from Schwalbe. Thought I'd share it here. I believe the new tires will be available in late September.

The combination of lighter weight, lower rolling interesting, and needing less sealant is quite intriguing.

http://www.bicyclerollingresistance.com ... eless-2016


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Posted: Tue Jul 21, 2015 2:24 pm 


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PostPosted: Wed Jul 22, 2015 9:03 am 
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Excellent review. I certainly need to get my hands on these.

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PostPosted: Wed Jul 22, 2015 9:55 am 
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That should be just in time for my supply of regular tubeless Ones running out. Excellent. That's a really significant weight loss, and if it doesn't reduce the ride quality or grip, I can't see any reason to run regular clinchers for training or general use.


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PostPosted: Wed Jul 22, 2015 2:18 pm 
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Joined: Thu Apr 28, 2011 1:21 am
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Now I'm truly interested in what the 23mm weighs.


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PostPosted: Thu Jul 23, 2015 3:22 pm 
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Schwalbe says the 23mm one weighs 235 grams.
http://roadbikeaction.com/features/rba- ... road-tires


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PostPosted: Thu Jul 23, 2015 4:09 pm 
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Joined: Sun Oct 05, 2014 11:51 pm
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interesting that only 20ml of sealant is needed


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PostPosted: Thu Jul 23, 2015 6:01 pm 
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Losing 10psi/day means about every 10 days you'll end up completely replacing the air in the tire, assuming you're riding every day. If you let it leak down to zero it would obviously take longer. But what this means is that the sealant is going to harden quickly and need to be replaced. That could be a bother.


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PostPosted: Fri Jul 24, 2015 2:59 am 
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going from 110psi to 100psi in one day is not necessarily the same as -

F45 wrote:
Losing 10psi/day means about every 10 days ......


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PostPosted: Fri Jul 24, 2015 11:13 am 
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Joined: Sun Jun 14, 2015 8:15 pm
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CO2 is more rubber soluble than the other molecules air consists of (Oxygen, Nitrogen etc), so the loss of pressure could also be mainly a loss of CO2 in the tire. You could re-inflate it and again just lose the small amount of CO2 until you eventually reach your desired pressure. This is also why the tire goes flat overnight when you have a flat and re-inflate with a CO2 canister.

I'm not saying this was definitely the case, but it could be a reason. Need a longer term test to verify.


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PostPosted: Sat Jul 25, 2015 2:20 am 
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Location: United Kingdom of Great Britain and Northern Ireland
Someone remind me which team it was that used these tyres during the pave stage of The Tour?


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PostPosted: Sat Jul 25, 2015 4:25 am 
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Location: bay area, california
IAM, according to this article

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PostPosted: Thu Jul 30, 2015 1:41 pm 
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Location: Midlands, UK
That just sounds like the tyre is leaking some air - try leaving them on a bucket sideways so the sealant can lie against the sidewalls.

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PostPosted: Thu Jul 30, 2015 2:44 pm 
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Wow, looks like the claimed weight of the 23mm is even lighter than the Atom Galactik Road Tubeless. Now I'm wondering what the actual weight will be like. If it's anywhere near the claimed weight, might have to convert tubeless next year! As my stock of tires should be finished by sometimes next year. The cost though.....


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PostPosted: Thu Jul 30, 2015 8:08 pm 
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Joined: Sun Oct 05, 2014 11:51 pm
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read somewhere than the claimed weight is significantly under the reality sadly.

Hutchinson Sector 26 will be interesting when it is released (and how it compares with a Pro One 25)


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Posted: Thu Jul 30, 2015 8:08 pm 


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PostPosted: Sat Aug 01, 2015 12:30 am 
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Location: Fort Worth, TX, USA
That could be interesting regarding the 23mm, given that the claimed-vs-actual for the 25mm seems pretty close.


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