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PostPosted: Wed Nov 06, 2013 9:53 pm 
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Joined: Tue Aug 20, 2013 12:53 am
Posts: 58
Yeah, it's not uncommon to see a software update where the totality of the notes listed was "bug fixes". Still totally right to complain about Shimano doing that with the shifter though.


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PostPosted: Sun Dec 08, 2013 12:34 am 
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Location: Parakai, New Zealand
This is the 2nd one thats gone around that same km's ~ 2,200km's. I been told Huon Salmon-Genesys Wealth Advisers Pro Cycling now run's Ultegra 6800 cassettes because of...
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Posted: Sun Dec 08, 2013 12:34 am 


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PostPosted: Sun Dec 08, 2013 12:25 pm 
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Joined: Mon Jan 24, 2011 8:09 pm
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Switch to Sram XG-1190. Quiet, light. Excellent cassette and better made than the DuraAce 11spd. Not cheap for sure. But Im totally satisfied. Run 9070 Di2 BTW and a CN9000 chain.


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PostPosted: Sun Dec 08, 2013 2:26 pm 
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Location: US
Absolutely agree on the XG-1190. Running them with 9070 and X11SL chain

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PostPosted: Mon Dec 09, 2013 6:11 am 
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Joined: Wed Feb 02, 2011 3:48 am
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mattr wrote:
Didn't shimano stuff up the design of the xt 9 speed cassette as well?
The one with the 3 large sprockets on a 4 arm spider, sure I saw a good few of them folded up. They went to 5 arm shortly after.

pdlpsher1 wrote:
As a tandem owner I believe all bicycle parts should withstand the forces experienced on a tandem. I'm running XT cassette and KMC chain on my tandem with zero failures (over 12,000 miles). I've also used older Dura Ace cassettes on a tandem with no issues. I would not dare put a 9000 cassette on my tandem.

This has happened on the XT CS-771-10 11-32 as well. I've seen a few other photos of breaks in the same way around the rivet.
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PostPosted: Tue Dec 17, 2013 7:38 pm 
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Joined: Fri Apr 26, 2013 5:33 pm
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Is there a consensus on how to install the cassette. Just got mine and want to put it on the wheel just not sure how far to torque it.

Thanks, Norm


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PostPosted: Wed Dec 18, 2013 4:36 pm 
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I would probably start by following the work instructions from the manufacturer. Just a thought.


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PostPosted: Sun Dec 22, 2013 3:47 pm 
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Joined: Thu Apr 03, 2008 3:51 am
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Curious - has anyone heard anything official from Shimano yet? Have any of these cassettes been replaced under warranty?


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PostPosted: Mon Dec 23, 2013 9:12 pm 
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this showed up on my fb feed from an aquaintance
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PostPosted: Mon Dec 23, 2013 11:29 pm 
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Joined: Sun Jan 08, 2012 7:49 am
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I have had problems with the DA 9000 cassettes. Shimano swapped out 3 cassettes for me, the replacements also cracked. All DA cassettes have now been replaced with Ultegra 11 speed, no issue after 3000km.

Here is one of the smashed DA cassettes.

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PostPosted: Tue Dec 24, 2013 2:00 am 
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Joined: Sat May 12, 2007 2:03 am
Posts: 155
Location: Volos GR / CT US .
Ouch. 11.4, keep fighting the good fight.

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PostPosted: Tue Dec 24, 2013 7:31 pm 
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Joined: Thu Jul 19, 2012 6:09 pm
Posts: 108
Location: Loveland, CO
doggatas wrote:
All DA cassettes have now been replaced with Ultegra 11 speed, no issue after 3000km.


I thought the Ultegra 11 speed also has a carbon carrier.


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PostPosted: Tue Dec 24, 2013 7:37 pm 
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Joined: Mon Jul 18, 2011 2:44 am
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edit: big carrier (where the da ones are breaking (or in pictures they are)) is aluminum on ultegra 6800


Last edited by nathanong87 on Tue Dec 24, 2013 8:42 pm, edited 2 times in total.

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PostPosted: Tue Dec 24, 2013 7:55 pm 
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Joined: Wed Jan 10, 2007 10:56 pm
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Location: Canada
Nope. Its got a carbon carrier too. Theres a picture of it on one of the previous pages of this thread


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Posted: Tue Dec 24, 2013 7:55 pm 


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PostPosted: Tue Dec 24, 2013 7:57 pm 
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Joined: Mon Jan 24, 2011 8:09 pm
Posts: 680
I don't think that swapping to an ultegra with heavier materials and overall weight is a solution.

Shimano needs to get this one sorted out. Looks like they went the cheap route on the cassette to get it lighter instead of milling it out of an entire piece, to include the hub connection point, they went with a carbon/rivet setup...kind of silly. Really don't want carbon on the exact point where all torque is connected/translated into wheel turning and the axle in my world anyway.

Only downside to the SRAM XG1190, is the price, $350+ even on the Bay...but the weight/durability and performance are hard to argue with on the other hand.


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