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PostPosted: Tue Apr 09, 2013 11:37 am 
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Joined: Mon Jun 06, 2011 10:09 am
Posts: 67
Is there any real or perceived difference in performance between Challenge's 'white tread/black sidewall' tires vs. the 'black tread/gum wall" tires?
Sidewall/casing stiffness? Tread durability? Grip? Resistance to UV or water?
I'm looking to buy a new set of Grifos, and would like to make the choice on some better criteria than aesthetics.

I know in the past that some colored tread have performed better than others. For example during my time in the southeast US the green Michelins where much better on the hard clay soil than the black ones. But I also have seen lower-end white tires that dried and cracked more easily than their black option, and also were a bit harder offering less grip on asphalt.
Not sure if any of that would come into play here. :noidea:

Thoughts? Personal experiences?

Thanks,
-Cory


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Posted: Tue Apr 09, 2013 11:37 am 


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PostPosted: Tue Apr 09, 2013 2:59 pm 
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Joined: Wed Sep 08, 2004 7:13 pm
Posts: 358
Location: Finland
I have had black and white criteriums and didn`t really notice any difference.
Then again you shoudn`t underestimate the plasebo effect.

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PostPosted: Wed Apr 10, 2013 8:47 am 
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Joined: Tue Apr 12, 2011 8:08 am
Posts: 1747
Location: Pedal Square
The white ones have a reputation of better grip. Might be folklore, or the fact that they are softer due to the missing carbon (not fiber).

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PostPosted: Wed Jun 05, 2013 12:10 pm 
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Joined: Tue Feb 10, 2009 8:03 am
Posts: 189
Location: Czech Republic, Europe
I always used black tires, so no practical experiences. But I've read article from Schvalbe and they recomended their black tires for best performance. According to them, they make different colours of tires to match various bikes, but for best performance, they recomend to use pure black tires.

I have no idea, if with Challenge tires it is the same.

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My Wilier Zero7: http://weightweenies.starbike.com/forum/viewtopic.php?f=10&t=116053
And Ridley X-Fire Disc http://weightweenies.starbike.com/forum/viewtopic.php?f=10&t=124026&p=1056055#p1056055


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