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PostPosted: Tue Dec 24, 2013 7:59 pm 
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Joined: Mon Jan 24, 2011 8:09 pm
Posts: 871
goodboyr wrote:
Nope. Its got a carbon carrier too. Theres a picture of it on one of the previous pages of this thread


4-5th rings are on carbon correct?

First three of the biggest are on aluminum?


Image


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PostPosted: Tue Dec 24, 2013 8:03 pm 
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Joined: Tue Aug 07, 2012 6:35 am
Posts: 285
Location: Parakai, New Zealand
Correct - 4th & 5th rings sit on a carbon carrier but in the field to date I've not seen one break (yet)


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PostPosted: Tue Dec 24, 2013 9:36 pm 
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Joined: Wed Jan 10, 2007 10:56 pm
Posts: 1115
Location: Canada
dmoneysworks wrote:
Correct - 4th & 5th rings sit on a carbon carrier but in the field to date I've not seen one break (yet)


True. I've got one Ultegra and one Dura Ace, and neither have broken on me yet.............


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PostPosted: Tue Mar 04, 2014 8:17 pm 
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Joined: Sun Dec 01, 2013 3:46 pm
Posts: 84
Those of you having noisy cassette issues...Would you describe it as creaky? Or clicking? I have a clicking I am trying to help a teammate diagnose.

Only happens when out of the saddle. We have ruled out the cleats and pedals. It could be the Praxis conversion BB but seems to be coming a bit more from the rear of the bike. Seems to happen more often when in the gears on the carbon carrier. It is not really a creak, but more of a click once per pedal revolution.


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PostPosted: Wed Mar 05, 2014 4:17 am 
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Location: Parakai, New Zealand
Remove the cassette and inspect it!


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PostPosted: Wed Mar 05, 2014 4:19 am 
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Posts: 84
dmoneysworks wrote:
Remove the cassette and inspect it!


We did, it is not cracked. And the lockring is torqued to 40nm.


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PostPosted: Wed Mar 05, 2014 9:30 am 
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Joined: Tue Jun 12, 2012 4:40 pm
Posts: 161
LoggingMiles wrote:
Those of you having noisy cassette issues...Would you describe it as creaky? Or clicking? I have a clicking I am trying to help a teammate diagnose.

Only happens when out of the saddle. We have ruled out the cleats and pedals. It could be the Praxis conversion BB but seems to be coming a bit more from the rear of the bike. Seems to happen more often when in the gears on the carbon carrier. It is not really a creak, but more of a click once per pedal revolution.


I sometimes get a click per revolution. Running 9000 cassette and a praxis BB as well. I assume it is just dirt due to winter riding at the moment as it does seem to be less obvious when the bike has been washed.


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PostPosted: Mon Apr 07, 2014 2:43 am 
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Joined: Mon Oct 15, 2007 9:28 pm
Posts: 1132
I broke my 9000 cassette today. It was an 11-28. The 23 and 25 came off and smashed up against the 28.
So I could not use the 25,23, and 21.
Good thing I was not climbing.


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PostPosted: Mon Apr 07, 2014 2:53 am 
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Joined: Wed Jun 02, 2010 7:00 am
Posts: 70
I hearing riders due for a new cassette are putting the chain in the easiest gear and stopping off the lights from a dead start to crack the carbon carrier and then claim warranty. I think shimano will learn from this mistake as its losing them $ for sure.

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PostPosted: Mon Apr 07, 2014 5:21 am 
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Posts: 723
Location: Brisbane, Oz
Those guys must be idiots because it isn't the top spider that breaks.


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PostPosted: Mon Apr 07, 2014 8:46 am 
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Posts: 732
Location: UK
So what's the solution here guys? Does Ultegra have the same issues as the DA Cassette? If so is a SRAM 1170 (or 1190 if you can afford it) the best/only alternative?

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PostPosted: Mon Apr 07, 2014 8:48 am 
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Joined: Fri Dec 12, 2008 5:19 am
Posts: 723
Location: Brisbane, Oz
I've not heard of broken 6800 yet. The carbon spider is much beefier.


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PostPosted: Mon Apr 07, 2014 10:47 am 
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Joined: Fri Jan 31, 2014 4:54 pm
Posts: 327
bikewithnoname wrote:
So what's the solution here guys? Does Ultegra have the same issues as the DA Cassette? If so is a SRAM 1170 (or 1190 if you can afford it) the best/only alternative?


I am riding my 6800 cassette (25-11) for 1000km or something.
I had creaking noise in the beginning, on my first ride.
It was only when I am standing and climbing hard.

It was really annoying, since I was passing next to a bus stop full of people waiting, on the climb, and my expensive carbon bike was squeezing like a supermarket bike...

After that, I came home and tightened cassette a bit more and also BB.

Since then, I didn't have problems.
I don't have a torque wrench, so I don't know about the tension now, but maybe 40nm written on the cap is not enough and you need to overtight the cap.

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PostPosted: Mon Apr 07, 2014 11:50 am 
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Joined: Wed Jan 10, 2007 10:56 pm
Posts: 1115
Location: Canada
durianrider wrote:
I hearing riders due for a new cassette are putting the chain in the easiest gear and stopping off the lights from a dead start to crack the carbon carrier and then claim warranty. I think shimano will learn from this mistake as its losing them $ for sure.

Right. Break a perfectly good cassette to get another perfectly good cassette with the same design since nothing has changed. "Durianrider".............. He's back!

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PostPosted: Mon Apr 07, 2014 2:50 pm 
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Location: Santa Cruz, California, USA
Don't feed the troll.


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