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 Post subject: B.O.R Germany Chainrings
PostPosted: Sat Jan 10, 2015 5:19 pm 
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Joined: Sun Jul 29, 2012 12:49 am
Posts: 494
Does anyone have any experience with these chainrings?


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 Post subject: B.O.R Germany Chainrings
Posted: Sat Jan 10, 2015 5:19 pm 


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PostPosted: Thu Jan 22, 2015 6:13 pm 
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Joined: Sun Jul 29, 2012 12:49 am
Posts: 494
For those interested...the BOR Germany rings (50/36) are 19 grams lighter at 135g than Praxis Cover (52/36). Hopefully they shift just as well as the Praxis...

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PostPosted: Fri Jan 23, 2015 6:21 pm 
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Joined: Wed Aug 20, 2008 2:12 pm
Posts: 199
I have a set of 53/39 on my TT bike and they work great. No issues, shifting up and down is flawless on my set up with Campagnolo TT 11 Speed shifters. Stiff and they look great. Got them at a great deal to replace some CT2 and I would say slightly better than the later.

Cheers,


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PostPosted: Fri Jan 23, 2015 9:05 pm 
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Joined: Sun Jul 29, 2012 12:49 am
Posts: 494
Voye wrote:
I have a set of 53/39 on my TT bike and they work great. No issues, shifting up and down is flawless on my set up with Campagnolo TT 11 Speed shifters. Stiff and they look great. Got them at a great deal to replace some CT2 and I would say slightly better than the later.

Cheers,



Thanks for the feedback re: shift quality and stiffness. I won't be able to test mine for at least another 2-3 weeks. Using them with Campy 11 as well.


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PostPosted: Sun Feb 19, 2017 6:46 am 
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Joined: Thu Aug 21, 2014 7:12 am
Posts: 109
Location: Sydney
Any more reviews on these rings? I'm interested in running them Sram eTap in 53/39t on Quarq Dzero red cranks..


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PostPosted: Sun Feb 19, 2017 9:32 am 
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Joined: Mon Jul 13, 2009 9:19 pm
Posts: 339
Location: Denmark
I'm very happy with mine, I have a 50t and Tune 34t no issues really (after 2000k), I use it with 11 speed force. They stay black for a much longer time than stronglight ct2.

When I look at Tune chainrings the only difference i see is where the chainlifters are placed.


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PostPosted: Sun Feb 19, 2017 9:44 am 
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Joined: Tue Apr 08, 2014 6:43 pm
Posts: 80
Had no problems at all so far.

34t weighed 35g
38t weighed 41g

I think both were slightly heavier than advertised, but not much.

I'm looking at using these again on a build for this year.

_________________
Cervelo R3 - 5.4kg viewtopic.php?f=10&t=142420


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PostPosted: Sun Feb 19, 2017 10:27 am 
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Joined: Thu Aug 21, 2014 7:12 am
Posts: 109
Location: Sydney
Do you think there is any performance difference from standard rings or Praxis (which people seem to like)?


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PostPosted: Sun Feb 19, 2017 5:57 pm 
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Joined: Sun Aug 08, 2010 5:12 am
Posts: 282
Location: Brasil
i had them but switched to Praxis on my M3 cranks. Before BOR i used standard Super Record and notice a big difference in shifting (inner to big ring), maybe they need a 'surgical adjustment' FD.
My 53t BOR weight 99,95g (10g over the attached on ring)

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Posted: Sun Feb 19, 2017 5:57 pm 


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PostPosted: Sun Feb 19, 2017 11:07 pm 
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Joined: Thu Aug 21, 2014 7:12 am
Posts: 109
Location: Sydney
thanks, maybe that will be the same for Tune


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