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PostPosted: Wed Apr 17, 2013 11:43 am 
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Joined: Wed Oct 21, 2009 10:16 am
Posts: 156
Anyone have experience on Doval chainrings?

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The best Quality bike i had - colnago - c40, c50 , time -vxrs , bianchi, Look - 381, 585Ultra. giant- Adv SL isp
The Worst Quality bike i had - wilier Centro 1. (https://www.facebook.com/media/set/?set ... 551&type=3)


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Posted: Wed Apr 17, 2013 11:43 am 


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PostPosted: Wed Apr 17, 2013 12:21 pm 
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Joined: Tue Jun 21, 2011 1:05 pm
Posts: 231
Yep.

i put them on at christmas, done about 4,000km with them. Shifting was a considerable improvement over the Zipp VumaQuad i had on before, but not as smart as SRAM Red rings.
In terms of the ovalization, they feel different to round rings, but don't know if there's any performance benefit unless i'm mashing my way up a steep climb or sprinting but that's probably a discussion for elsewhere.


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PostPosted: Wed Apr 17, 2013 1:21 pm 
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JamieL wrote:
Yep.

i put them on at christmas, done about 4,000km with them. Shifting was a considerable improvement over the Zipp VumaQuad i had on before, but not as smart as SRAM Red rings.
In terms of the ovalization, they feel different to round rings, but don't know if there's any performance benefit unless i'm mashing my way up a steep climb or sprinting but that's probably a discussion for elsewhere.


hi, which teeth are you using ?I found not too much people using this chainring.
They have only 40T for road bike crank, so is it the same scale of 39T ?thx

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The best Quality bike i had - colnago - c40, c50 , time -vxrs , bianchi, Look - 381, 585Ultra. giant- Adv SL isp
The Worst Quality bike i had - wilier Centro 1. (https://www.facebook.com/media/set/?set ... 551&type=3)


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PostPosted: Wed Apr 17, 2013 1:42 pm 
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Joined: Tue Jun 21, 2011 1:05 pm
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I think i've got 53/40. The 40 has 40 teeth so it is not the same as a 39, but i've not really noticed the difference too much.


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PostPosted: Wed Apr 17, 2013 1:48 pm 
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Joined: Wed Oct 21, 2009 10:16 am
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JamieL wrote:
I think i've got 53/40. The 40 has 40 teeth so it is not the same as a 39, but i've not really noticed the difference too much.


nothing improve?any different feeling ?

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The best Quality bike i had - colnago - c40, c50 , time -vxrs , bianchi, Look - 381, 585Ultra. giant- Adv SL isp
The Worst Quality bike i had - wilier Centro 1. (https://www.facebook.com/media/set/?set ... 551&type=3)


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PostPosted: Wed Apr 17, 2013 2:33 pm 
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Joined: Tue Jun 21, 2011 1:05 pm
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Well they certainly feel different, whether there is an improvement in performance, i can't be sure. But they are still on my bike...


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Posted: Wed Apr 17, 2013 2:33 pm 


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PostPosted: Thu Apr 18, 2013 8:19 am 
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JamieL wrote:
Well they certainly feel different, whether there is an improvement in performance, i can't be sure. But they are still on my bike...


thx! JamieL, are you buy ur chainring at Ebay ?

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The best Quality bike i had - colnago - c40, c50 , time -vxrs , bianchi, Look - 381, 585Ultra. giant- Adv SL isp
The Worst Quality bike i had - wilier Centro 1. (https://www.facebook.com/media/set/?set ... 551&type=3)


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