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PostPosted: Sat Apr 22, 2017 5:00 am 
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Joined: Wed Feb 12, 2014 1:01 pm
Posts: 9
Anyone else finding that properly set up Dura Ace 9100/9150 is louder than the older 9000?
It's only noticeable when in the 52/'big ring' and in the middle gears on the cassette. It is quiet in any cog on the cassette when in the small ring.

Due to it only happening in the big ring I think it might be due to the newer 'Shadow' rear derailleur which has more spring tension and I think is pulling the chain harder on to the cassette.

I'm using a Dura Ace 901 chain on an Ultegra cassette. I haven't tried a 900 chain but I am tempted to put the Dura Ace 9100 cassette back on and see if that is any different.

Anyone else experienced this or have tried any other options?


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Posted: Sat Apr 22, 2017 5:00 am 


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PostPosted: Sat Apr 22, 2017 6:10 am 
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Joined: Wed Feb 09, 2005 4:51 am
Posts: 1944
Check if your wheel is mounted straight. And if your RD hanger is straight.

Its one of the typical problems when anyone describes something like that.


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PostPosted: Sat Apr 22, 2017 9:01 am 
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Joined: Fri Jan 25, 2013 7:26 pm
Posts: 248
Two 9100 bikas. It's louder.


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PostPosted: Sat Apr 22, 2017 9:16 am 
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Joined: Sat Dec 07, 2013 10:15 pm
Posts: 801
Someone should do a decibel test

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PostPosted: Sat Apr 22, 2017 10:22 am 
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Joined: Sun Oct 19, 2014 2:51 pm
Posts: 159
beeatnik wrote:
Two 9100 bikas. It's louder.


Riding on 9150, it does seem louder...


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PostPosted: Sun Apr 23, 2017 12:08 am 
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Joined: Sat Jan 21, 2006 6:13 pm
Posts: 367
I have 9070 Di2 and 9100 mechanical with identical gearing and chains. The 9100 is every bit as silent.


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PostPosted: Sun Apr 23, 2017 5:50 am 
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Joined: Sun Mar 02, 2014 6:17 pm
Posts: 53
I went from 9000 to 9100 and can't tell a difference.


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PostPosted: Fri Jun 16, 2017 11:41 pm 
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Joined: Sat Feb 06, 2010 12:41 pm
Posts: 176
Location: Banja Luka, Bosnia
I was also wondering about this. Don't know about 9000, but my 9100 is loud on the big ring, at least louder than my 7900 and 5800.

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PostPosted: Sat Jun 17, 2017 7:24 am 
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Joined: Wed Feb 12, 2014 1:01 pm
Posts: 9
I've moved the derailleur back away from the cassette. It's a little slower shifting but quieter.

I've just replaced the chain at 3300km which is less k's than I used to get out of 9000 but I have done one or two wet rides so could be down to that.


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PostPosted: Sat Jun 17, 2017 2:39 pm 
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Joined: Fri Sep 03, 2004 2:52 am
Posts: 999
LOL same issue. at first i thought it was a setup issue. the main issue is new derailleur design is very unforgiving with chains too long or short. i installed a new chain with length calculated with the big ring,big rear cog + 2 links. drivetrain is a lot quieter on the big ring. imho shimano took a step backward with the new design.

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PostPosted: Wed Jun 28, 2017 10:39 am 
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Posted: Wed Jun 28, 2017 10:39 am 


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PostPosted: Sun Aug 20, 2017 5:44 am 
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Joined: Wed Feb 12, 2014 1:01 pm
Posts: 9
spartan wrote:
LOL same issue. at first i thought it was a setup issue. the main issue is new derailleur design is very unforgiving with chains too long or short. i installed a new chain with length calculated with the big ring,big rear cog + 2 links. drivetrain is a lot quieter on the big ring. imho shimano took a step backward with the new design.


Yep I agree with this because the B-Screw makes a big difference to noise level also. Next time I put a chain on I'll remeasure it.
Are you on a M/L? Any idea how many links you have?

I like to have the B-Screw nice and close for fast shifting but it definitely runs quieter further away. I run my 9000 RD much closer.

I had a lot of inconsistent clicking, which I thought was also drive train related but turned out to be bits of carbon and plastic inside the rim. It must be from manufacture. Was very annoying to track down. I like the SLR wheels which come with the TCR but that's a mark agents them.


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