New Shimano XTR M9100 Chain compatible with Dura Ace 9100 drivetrain?

Discuss light weight issues concerning road bikes & parts.
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Theologian
Posts: 46
Joined: Sat Jun 23, 2018 3:34 am

by Theologian

I'm wondering if the newly designed XTR 12-speed chain, which is supposed to be narrower, quieter with better engagement, work on existing Dura Ace 9100 or Ultegra 8000 groupset? If it does, maybe it can help the noise that some of us are experiencing?

Theologian
Posts: 46
Joined: Sat Jun 23, 2018 3:34 am

by Theologian

It seems marginally lighter too. Has anyone tried this?

by Weenie


Theologian
Posts: 46
Joined: Sat Jun 23, 2018 3:34 am

by Theologian

Bump
Shimano says it's compatible with both 12 and 11-speed drivetrain, but it's not clear whether it's the new XTR 11-speed which is just the new 12-speed cassette minus 1 or backward compatible with ultegra/dura ace groupsets.

Does anyone know anything about this?

Thanks

TurboKoo
Posts: 544
Joined: Wed Oct 29, 2008 7:55 pm

by TurboKoo

11/12 compatibility means only for the XTR cassette which was supposed to come in 3 different versions, 2 different 12-speeds and same spacing 11-speed.

I would not put this on 11-speed drivetrain as chain is narrower and might thus delay shifting. I haven’t measured sprocket thickness to verify if it would fit. Chain seems to fit in 11-speed non-N/W chainrings but not on N/W unless they are stated to be 12-speed.
Scott Foil
Shimano 9150
Shimano FCR-9100-P
Shimano C60 tubulars

Theologian
Posts: 46
Joined: Sat Jun 23, 2018 3:34 am

by Theologian

Wow, I had to look up what narrow wide chainrings were. I didn't even know they existed. Have you actually tried this: 12-speed chain on 11 speed non-N/W chainrings?

Thanks again.

by Weenie


TurboKoo
Posts: 544
Joined: Wed Oct 29, 2008 7:55 pm

by TurboKoo

Yes I have and it fits.
Scott Foil
Shimano 9150
Shimano FCR-9100-P
Shimano C60 tubulars

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