Dura-Ace R9200

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ichobi
Posts: 1793
Joined: Thu Jan 19, 2012 11:30 pm

by ichobi

The only nice thing about gearing in 12 speed system is as you said you can have the lowest and highest gear in one setup. My red axs with 48/35 and 10-33 combo is pretty damn great never need to change the gearing at all in most if the terrain. While it’s not 1:1 at the lowest gear i can push the 35-33 fine on steep part.

With da 11 i think 11-32 red cassette with 50-34 is about the same ratio for the lowest gear.


With the 11 speed set up i listed above i calculated about 180g lower weight than the full 12 speed da di2. (Rotor aldhu carbon with sigeyi powermeter). And thats with 11-32 sram red 11 cassette. The delta is reduced of course if you dont use 9270 crankset but still, lower weight with probably half the cost if bought second hand.

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ODC
Posts: 373
Joined: Mon Aug 14, 2017 9:40 am

by ODC

For the build up of my new bike i’m in doubt between the dual sided 4iiii Dura Ace 9200 crankset or the official Shimano Dura Ace 9200 power meter crankset.

What would you take guys?
I know the shimano isn’t the most accurate showing numbers but is it so bad compared to 4iiii?
I like the Shimano model there I don’t need to change batteries anymore (changing batteries isn’t a real deal breaker for me) but on the other hand i like the 4iiii model that I don’t need to stick a magnet on my frameset. Okay these are minor things. The most important for me are the numbers and which one is the most problem free.

BdaGhisallo
Posts: 3261
Joined: Wed Mar 17, 2004 1:38 pm

by BdaGhisallo

ODC wrote:
Wed Mar 08, 2023 2:35 pm
For the build up of my new bike i’m in doubt between the dual sided 4iiii Dura Ace 9200 crankset or the official Shimano Dura Ace 9200 power meter crankset.

What would you take guys?
I know the shimano isn’t the most accurate showing numbers but is it so bad compared to 4iiii?
I like the Shimano model there I don’t need to change batteries anymore (changing batteries isn’t a real deal breaker for me) but on the other hand i like the 4iiii model that I don’t need to stick a magnet on my frameset. Okay these are minor things. The most important for me are the numbers and which one is the most problem free.
How about the dual sided Stages? GP Lama tested it and it performed well. https://gplama.com/2022/11/28/stages-du ... one-works/

cdncyclist
Posts: 98
Joined: Wed Feb 17, 2016 12:10 am

by cdncyclist

ODC wrote:
Wed Mar 08, 2023 2:35 pm
For the build up of my new bike i’m in doubt between the dual sided 4iiii Dura Ace 9200 crankset or the official Shimano Dura Ace 9200 power meter crankset.

What would you take guys?
I know the shimano isn’t the most accurate showing numbers but is it so bad compared to 4iiii?
I like the Shimano model there I don’t need to change batteries anymore (changing batteries isn’t a real deal breaker for me) but on the other hand i like the 4iiii model that I don’t need to stick a magnet on my frameset. Okay these are minor things. The most important for me are the numbers and which one is the most problem free.
I also assumed that the Shimano PM couldn't be that bad, but then I read the in-depth review by dcrainmaker - I would suggest you read his review (and review of other PM that are suitable for you).

BdaGhisallo
Posts: 3261
Joined: Wed Mar 17, 2004 1:38 pm

by BdaGhisallo

cdncyclist wrote:
Wed Mar 08, 2023 3:39 pm
ODC wrote:
Wed Mar 08, 2023 2:35 pm
For the build up of my new bike i’m in doubt between the dual sided 4iiii Dura Ace 9200 crankset or the official Shimano Dura Ace 9200 power meter crankset.

What would you take guys?
I know the shimano isn’t the most accurate showing numbers but is it so bad compared to 4iiii?
I like the Shimano model there I don’t need to change batteries anymore (changing batteries isn’t a real deal breaker for me) but on the other hand i like the 4iiii model that I don’t need to stick a magnet on my frameset. Okay these are minor things. The most important for me are the numbers and which one is the most problem free.
I also assumed that the Shimano PM couldn't be that bad, but then I read the in-depth review by dcrainmaker - I would suggest you read his review (and review of other PM that are suitable for you).
Shane Miller / GP Lama also had a review of the Shimano DA powermeter. It wasn't good. https://gplama.com/2022/08/27/shimano-d ... -accurate/

jayjay
Posts: 395
Joined: Thu Jul 22, 2021 8:07 am
Location: Germany
Contact:

by jayjay

The Shimano powermeter cranks shouldn't be an option for anyone until there is proven reliability.

kofsw4
Posts: 157
Joined: Wed Sep 20, 2017 10:28 pm
Location: London, UK

by kofsw4

trex wrote:Quick question.
I have an opportunity to buy a whole rd-r9250 carbon plate (someone swap it for OSPW).
Can I mount it to my Ultegra rd-r8150 to reduce weight? Is it safe to do so? If so - what would be the weight gain?
Did you ever fit this and did it work? What was the weight saving?

otnemem
Posts: 398
Joined: Fri Jun 28, 2019 7:55 am

by otnemem

Has anyone figured out a way to configure syncho shift with different combinations of chainrings? I have both 46-30 and 48-32 sets and would love to actually see them in e-tube if there's a way.

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ultimobici
in the industry
Posts: 4460
Joined: Sun Nov 21, 2004 2:45 pm
Location: Trento, Italia
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by ultimobici

otnemem wrote:
Sun Mar 19, 2023 1:51 pm
Has anyone figured out a way to configure syncho shift with different combinations of chainrings? I have both 46-30 and 48-32 sets and would love to actually see them in e-tube if there's a way.
Just do it manually. You will need to tell the system it is using a recognised combo first. Then when you go through to the shift plan you can move the shift points around as you wish.

otnemem
Posts: 398
Joined: Fri Jun 28, 2019 7:55 am

by otnemem

ultimobici wrote:
Sun Mar 19, 2023 3:35 pm
Just do it manually. You will need to tell the system it is using a recognised combo first. Then when you go through to the shift plan you can move the shift points around as you wish.
I was trying to avoid that but if that's how it has to be then so be it. Thanks!

scottydonald
Posts: 256
Joined: Sat Mar 20, 2021 5:06 pm
Location: Scotland now.

by scottydonald

My SL7 i have 52/36 9200 chainset with a full 9200 build

My S3 i have 52/36 8000 chainset with a full mechanical 8000 buld.

I am trying to buy 54t chainring but struggling so tempted to by a full 54/40 chainset. Can i use the 9200 with my 8000 setup; i am guessing yes with a 12 speed chain?

ilprofessore
Posts: 20
Joined: Sat Mar 18, 2023 6:35 am

by ilprofessore

Anyone using 9100 chainrings w/ DA 12 speed successfully? I'm having a tough time sourcing a 54/40t 9200 chainring.

MarcFaFo
Posts: 68
Joined: Fri Sep 14, 2018 4:58 pm

by MarcFaFo

Minirac wrote:
Thu Mar 02, 2023 10:03 am
Tribullet wrote:
Wed Mar 01, 2023 3:41 am
I've seen tons of comments on running a 9100 crankset on a 9200 groupset. Anyone have insight on the other way around? Running a 9200 crankset on a 9150 groupset.

I need a new crank and thought about grabbing a 9100 crank, but chainrings are hard to come by, was thinking a 9200 crank would futureproof me a bit if it works with 11 speed.
No..
Why not..?

harblhat
Posts: 187
Joined: Mon Jul 18, 2011 12:18 am

by harblhat

ilprofessore wrote:
Mon Mar 20, 2023 7:14 pm
Anyone using 9100 chainrings w/ DA 12 speed successfully? I'm having a tough time sourcing a 54/40t 9200 chainring.
I did this last season (9100 cranks w 9200 DA) due to availability problems and could neve get it to shift well. The 9100 chainrings are further apart, so the 9200 FD does not shift cleanly as it expects a smaller chainring gap. Clean shifts maybe half the time. I had to adjust the FD high limit way outwards to get it reasonable, but it was never perfect. Even had a couple of chain drops to the outside due to the excessive high limit. Pro teams with the same setup had the same problems.

When I installed a 9200 crankset, no more problems.

The difference is in the chainrings themselves, not the crankset. And 9100 rings will fit on a 9200 crankset but look odd. So 9100 chainrings will work but probably not well.

by Weenie


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ilprofessore
Posts: 20
Joined: Sat Mar 18, 2023 6:35 am

by ilprofessore

9100 rings don’t fit on 9200 crank arms. Shimano reversed on side of the arms so they aren’t compatible. I tried for a trainer bike.

Excellent feedback. Thanks. I’ll keep looking for them thanks so much.


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