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PostPosted: Fri Oct 18, 2013 5:23 pm 
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Joined: Wed Dec 15, 2010 10:32 am
Posts: 452
Location: Estonia
Does anybody have experience with these rings on XTR 985 crankset? I mean how they shift and etc?
I have 985 crankset with 42/30 and want to put it to 29er. Shimano offers 40/28 rings for this crank, but i need smaller and Blackspire has 38 big ring.

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PostPosted: Fri Dec 27, 2013 8:46 pm 
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Joined: Mon May 07, 2007 1:06 pm
Posts: 197
Location: UK
Anyone? I need to replace both 40 and 28 tooth rings, these seem a good price, can anyone comment on the shifting?
http://www.chainreactioncycles.com/blac ... -prod81199

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PostPosted: Sun Dec 29, 2013 1:34 am 
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Joined: Sat Jan 13, 2007 10:24 pm
Posts: 737
Location: Fort St John
they are crap. Probably weigh more than your entire bike. Get Specialites TA rings.

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PostPosted: Sun Dec 29, 2013 2:13 am 
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Joined: Sat Nov 10, 2007 4:23 am
Posts: 1067
Location: Poland/Toronto
Blackspire does quality stuff overall, but rather heavy as noted above. I cannot comment on shifting since I have not tried their chainrings.

I agree Specialtites TA are worth a look. I did not like their black chain rings with silver teeth hence went with FRM a few years back. Now I have been through 3 or 4 sets and can 100% recommend them.

Chris.

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PostPosted: Sun Dec 29, 2013 3:37 am 
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Joined: Sun Apr 01, 2007 10:50 pm
Posts: 199
Running Blackspire SuperPro rings on my Sugino ZX801D 2x10 cranks, and they shift really well. Not as light as TA rings, but should last longer.

Sent from my GT-P3113 using Tapatalk

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PostPosted: Sun Dec 29, 2013 4:01 am 
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Joined: Mon Mar 02, 2009 4:50 am
Posts: 709
Specialites (or FRM for that matter) doesn't have 88bcd rings, or at least I couldn't find them anywhere.


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PostPosted: Sun Dec 29, 2013 4:35 am 
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Joined: Sat Nov 10, 2007 4:23 am
Posts: 1067
Location: Poland/Toronto
Well I did not even look it up but it does seem like 88 BCD is that popular then... I'm stuck on 104/64 still :thumbup:

Blackspire it is ... ?

Chris.



Colin wrote:
Specialites (or FRM for that matter) doesn't have 88bcd rings, or at least I couldn't find them anywhere.

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MSC Koncept Carbon Di2 - 6955g
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PostPosted: Sun Dec 29, 2013 4:42 am 
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Joined: Sat Jan 13, 2007 10:24 pm
Posts: 737
Location: Fort St John
Yeah actually you guys are right. I also just assumed TA had some rings for the 985 cranks. Even though I might break the internet, I will say sorry.

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PostPosted: Sun Dec 29, 2013 9:38 am 
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Joined: Mon May 07, 2007 1:06 pm
Posts: 197
Location: UK
Benno wrote:
Even though I might break the internet, I will say sorry.


Made me laugh that!

Blackspire it is then!

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PostPosted: Mon Dec 30, 2013 9:34 am 
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Joined: Sat Jan 13, 2007 10:24 pm
Posts: 737
Location: Fort St John
;-)
Cool, let us know what you think,

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