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PostPosted: Sun May 13, 2012 5:35 pm 
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Joined: Thu Aug 16, 2007 3:16 pm
Posts: 617
bin it and go back to 7800 if you want good rear shifting, Ive worked on hundreds of 7900 setups with loads of different cable options and none work as well.


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PostPosted: Sun May 13, 2012 6:52 pm 
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Joined: Tue Feb 24, 2009 11:43 pm
Posts: 43
Location: West Central Florida
Just wait for 11sp Shimano when shifting takes another dive. IMO shifting was best with 8 and 9 speed drivetrains.


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Posted: Sun May 13, 2012 6:52 pm 


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PostPosted: Sun May 13, 2012 10:45 pm 
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Joined: Sun Aug 23, 2009 10:15 am
Posts: 106
Look 595 internal (std shimano) cable routing - 7900 - and it shifts like a dream, easily as good as the Ultegra sl on my other bike.
Its a different feel, yes but does the job and the hoods i find more comfy :D and i dont find the setup of it any different from any other Shimano 10sp.
Downside - the shifters seem to rattle far more than i'm used too.


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PostPosted: Thu Jan 30, 2014 7:55 pm 
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Formerly known as wassertreter

Joined: Tue Apr 12, 2011 8:08 am
Posts: 1947
Location: Pedal Square
Been running 7900 for like 3 years, now got a secondary bike with 6700. Interestingly the 6700 feels way smoother, much more like the 6600 (which I thought had the mechanical advantage of avoiding the handlebar bends). Anyway my 7900 and 6700 are set up very similar, both externally routed to the frame, Nokon housing, KMC chain. Surprised there is such a difference, the 7900 requires more force to shift, and feels snappier, the 6700 is very smooth.

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Bikes: Raw Ti, 650b flatbar CX


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PostPosted: Thu Jan 30, 2014 8:29 pm 
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Joined: Sat May 12, 2007 3:40 am
Posts: 413
Location: Triange, NC
My 7900 has been shifting perfectly for 3 3 years. It required slightly more force to shift at first but, once I installed Gore Ride-On Pro cables it shifts as smooth and refined as my 7800 equipped bike. In fact smoother. So the derailleur cable does make a difference.


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PostPosted: Thu Jan 30, 2014 8:47 pm 
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Joined: Tue Sep 16, 2008 11:20 pm
Posts: 77
Location: Burbank, CA
Ride a 9000 bike and you will hate your 7900 rear shifting!

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R2.5 / R3 / S-Works 29er (20 lbs) / S-Works SL4 Di2 (14.7 lbs)


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PostPosted: Thu Jan 30, 2014 9:03 pm 
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Joined: Mon Aug 20, 2012 12:12 pm
Posts: 129
Location: Bristol
Shifting with my bikes in order of ease and smoothness:
7970>6800>7900>6700


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PostPosted: Thu Jan 30, 2014 11:51 pm 
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Joined: Fri May 12, 2006 2:11 pm
Posts: 1214
Location: Bergen, Norway
wassertreter: Wait for a while when the wires isn't new and 6700 sucks. Works shifting performance and really sensitive with wire. Even 105 5700 is better.

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http://cerrol.wordpress.com (my cyclingblog)


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PostPosted: Fri Jan 31, 2014 2:30 am 
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Joined: Tue Jan 07, 2014 9:20 am
Posts: 75
I installed 9000 cables on my 5700 equipped bike. Makes a big difference in shift quality. With regular Jagwire cables the bike shifted noticeably worse than my 4600 Tiagra equipped bike.

I will probably go with 6800 cables next time to save a few dollars.


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PostPosted: Fri Jan 31, 2014 2:40 am 
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Joined: Sat Dec 07, 2013 10:15 pm
Posts: 142
I've used 6500, 6700 and 6800. 6500 is better than 6700 but Shimano has done its homework with 6800. Excellent set.

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PostPosted: Fri Jan 31, 2014 2:58 am 
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Joined: Tue Sep 16, 2008 11:20 pm
Posts: 77
Location: Burbank, CA
Grill wrote:
Shifting with my bikes in order of ease and smoothness:
7970>6800>7900>6700


Ride a 9070 bike! Sick! Nothing like it!

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R2.5 / R3 / S-Works 29er (20 lbs) / S-Works SL4 Di2 (14.7 lbs)


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PostPosted: Fri Jan 31, 2014 9:48 am 
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Joined: Tue Jul 14, 2009 2:18 am
Posts: 209
Using 7900 now and before upgrading to 9000 my LBS ask me to try shimano sp41. Worth to give a try?


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PostPosted: Fri Jan 31, 2014 4:57 pm 
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Joined: Fri Jan 31, 2014 4:54 pm
Posts: 203
I was riding on 6600SL, 6700 and 6800(with 9000 shifters) groupsets.

6600 was better than 6700. 6800 is better than 6700 also, but I can't really say that it is better than 6600. Feel on the shifter was better on 6600 I think.

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