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PostPosted: Sun Jun 26, 2016 2:33 pm 
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Joined: Sun Jan 26, 2014 3:44 am
Posts: 314
Hey

We have all read the massive thread about the second 3-cog, nylon mounted cluster cracking, but have any of you had any issues with the metal mounted top arrangement of 2 cogs?

I am currently 'enjoying' creaking with my Dura Ace cassette mounted to an Extralite CyberRear SP. It comes and goes, and only really kicks in when I am gurning my way up 12% + climbs, in 34-28, in a high torque situation. The creaking does not occur on any other cogs apart from the top two, in any riding scenario, so it is definitely something happening here.

I have tried putting various things like automobile brake assembly paste, and copper slip on the splines, to no avail.

So, anyone had any creaking with the top two cogs? I realise it might be an issue with the Extralite freebody splines and how they interact with the Dura Ace cassette splines, but thought I would ask.

I have checked the splines for gouges, twists and warps in the metal, and there is nothing...


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PostPosted: Sun Jun 26, 2016 5:32 pm 
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Joined: Thu Dec 12, 2013 9:48 pm
Posts: 15
Did you tighten lock ring to 40-45NM?


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PostPosted: Sun Jun 26, 2016 6:37 pm 
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Joined: Mon Apr 25, 2016 1:36 pm
Posts: 9
mine is creaking in the same way. Not always, sometimes.


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PostPosted: Sun Jun 26, 2016 9:27 pm 
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Joined: Mon Apr 03, 2006 8:53 am
Posts: 622
its a bad cassette, Shimano should replace it with a cassette that will also fail.. there is a massive thread about it here some place..


C


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PostPosted: Sun Jun 26, 2016 10:53 pm 
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Joined: Sat Jan 15, 2011 1:24 am
Posts: 20
I have it but only on lowest gear (biggest cog). Only when power is high enough so sounds like some movement is cause of noise


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PostPosted: Sun Jun 26, 2016 11:43 pm 
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Joined: Mon Apr 03, 2006 8:53 am
Posts: 622
Yep the metal gears/pins/rivets are rubbing in the carbon carrier. If the creak they will fail .. get them replaced...

here is the thread with pix...

viewtopic.php?f=3&t=118879


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PostPosted: Mon Jun 27, 2016 12:51 am 
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Joined: Sun Jan 26, 2014 3:44 am
Posts: 314
Hi

-lock ring tightened properly.
-I realise there is a massive thread but the focus of that was the middle cluster mounted to the nylon composite carrier, not the top cluster mounted to metal, hence my new thread.
-yes, this is absolutely an issue with movement. Just want to know his to eliminate it.
-uraqt; I am not talking about the middle cluster mounted to the composite carrier. Read my initial post :)

Bit more info;

This always occurs after I have done a big climb, and then when I start the next one on a ride. Movement is definitely the issue here. I do think that the Extralite freebody plays a part in this, as well as the cassette itself.


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PostPosted: Mon Jun 27, 2016 4:46 am 
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Joined: Mon Apr 03, 2006 8:53 am
Posts: 622
The carbon carrier is the top cluster not the middle ... closest to the spokes

C


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PostPosted: Mon Jun 27, 2016 6:12 am 
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Joined: Mon May 06, 2013 6:25 pm
Posts: 261
It's a fault in the design. It sounds awful.


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PostPosted: Mon Jun 27, 2016 11:06 am 
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Joined: Sun Jan 26, 2014 3:44 am
Posts: 314
uraqt wrote:
The carbon carrier is the top cluster not the middle ... closest to the spokes

C


You have to be trolling.


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PostPosted: Mon Jun 27, 2016 2:35 pm 
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Joined: Mon Apr 03, 2006 8:53 am
Posts: 622
Sorry, I'm wrong.

I forgot and hadn't taken mine out of the box in two years.

C


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