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PostPosted: Mon Sep 11, 2017 12:40 am 
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Joined: Mon Jun 06, 2011 7:16 pm
Posts: 620
Location: Irvine, CA
Has anyone tried the new Dura Ace 9100 11-30 cassette with the prior Di2 9070 rear mechanical. Would really like to run 53/39 up front and a 11-30 cassette at the rear but do not want to spend the money to upgrade from 9070 to 9150. Any advice would be appreciated.


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PostPosted: Mon Sep 11, 2017 1:11 am 
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Joined: Sun Feb 14, 2016 10:05 am
Posts: 41
Location: Hong Kong
i guess it depends on your frame/hanger geo. previously i have ran sram xg1190 11-30 with 6870 short cage rd on my tcr - no problem at all after a little b-screw adjustment.


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Posted: Mon Sep 11, 2017 1:11 am 


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PostPosted: Mon Sep 11, 2017 1:43 am 
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Joined: Mon Jun 06, 2011 7:16 pm
Posts: 620
Location: Irvine, CA
I have two bicycles. Colnago C59 size 48 sloping and a Tarmac S-Works size 52cm. Both have Shimano Dura Ace Di2 9070. I am currently running Dura Ace 9000 11-28 cassettes on each bike. Would like to swap to 11-30.


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PostPosted: Mon Sep 11, 2017 1:47 am 
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Joined: Sat Jan 15, 2011 1:24 am
Posts: 59
Have a cervelo S5 and a Pinarello F8. Both with 9070. Both can fit 11-30 cassette. I know some people have fitted an 11-32 on but I think that is pushing the limits. Look at RoadLink too if you are having problems.


Sent from my iPhone using Tapatalk


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PostPosted: Mon Sep 11, 2017 2:05 am 
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Joined: Sat Jul 20, 2013 6:11 pm
Posts: 1179
I use the SRAM RED 11-30 with 9070 SS RD


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PostPosted: Mon Sep 11, 2017 10:22 pm 
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Joined: Fri Jun 01, 2012 3:00 pm
Posts: 193
Location: San Sebastian
RD-9150 with 11-40 cassette.....Only tested on support
https://youtu.be/vW2MUUVvFOs


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PostPosted: Mon Sep 11, 2017 11:16 pm 
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Joined: Thu Jul 19, 2012 6:09 pm
Posts: 1109
Location: Loveland, CO
Ritxis wrote:
RD-9150 with 11-40 cassette.....Only tested on support
https://youtu.be/vW2MUUVvFOs


It looks like the chain was on the small ring. So what happens if he accidently shift to the big big combination :shock:

I have ran 11-34 with 9070 using a Wolftooth RoadLink. This is only a temporary solution when I need a 11-34 for special rides. But I made the chain longer so I don't accidently damage my derailleur or frame if I shift to the big big combination. But since the chain was too long, I cannot use the three smallest cogs when the chain is on the small ring.


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PostPosted: Tue Sep 12, 2017 3:24 pm 
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Joined: Wed Feb 15, 2017 7:26 pm
Posts: 21
I tried this exact combination on my Blue Triad and it does not work. B limit screw all the way out and it still wasn't enough room. :(


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Posted: Tue Sep 12, 2017 3:24 pm 


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