Quarq PM with 48/32 rings for GRX

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Asetek
Posts: 8
Joined: Thu May 02, 2019 9:48 pm

by Asetek

Hi,

I am looking for a quarq Powermeter and cranks fitted with 48/32 chainrings and compatible for Shimano GRX 2 x 11 DI2. Frame is a 2020 Specialized Diverge Expert (BSA BB).

Anybody using or has such setup? Or is there another combination on the market?
I only could find the FSA powerbox carbon but quite pricy in Europe.

by Weenie


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jlok
Posts: 2400
Joined: Tue Jun 30, 2015 3:30 am

by jlok

I'm running a 33T inner ring from Gearoop of Taiwan + 48T Caron-Ti AXS on my DZero DUB.

You may try their 32T for Shimano 110BCD cranks (R9100/R8000) on Quarq DFour. On paper, it should work but I don't have experience.

https://www.gearoop-intl.com/product-KO ... CW-32.html
Rikulau V9 DB Custom < BMC TM02 < Litespeed T1sl Disc < Giant Propel Advanced SL Disc 1 < Propel Adv < TCR Adv SL Disc < KTM Revelator Sky < CAAD 12 Disc < Domane S Disc < Alize < CAAD 10

Asetek
Posts: 8
Joined: Thu May 02, 2019 9:48 pm

by Asetek

Thanks for your Tip, finally bought a Dzero, Quarq carbon crank and Specialized 50/34 chainrings.
Shifting is far better than with previous Praxis 48/32 rings.

Hexsense
Posts: 3270
Joined: Wed Dec 30, 2015 12:41 am
Location: USA

by Hexsense

Is that thing round?
It look a bit square-ish from the picture.

LanceLegstrong
Posts: 1145
Joined: Fri Sep 13, 2019 1:35 pm

by LanceLegstrong

Hexsense wrote:
Fri Apr 22, 2022 1:37 am
Is that thing round?
It look a bit square-ish from the picture.
It is not perfectly round from my basic pixel measuring skills. I measure 1.02:1. Curious to hear whether you can actually feel the difference.
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by Weenie


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emotive
Posts: 613
Joined: Tue Nov 01, 2016 10:40 am
Location: Melbourne, Australia

by emotive

Looks like it needs to not be round to fit the asymmetrical bolt-hole pattern. An interesting option for lower gearing on Shimano road.

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