Dual side power meter for Shimano 105

I have excellent agreement with quarq and power2max spider powermeters. Much less agreement with pioneer and stages single arm powermeters. A buddy has single side garmin mtb and it seems way way off. Might be defective though. It’s just not in the same ballpark in our tests.

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Thank you again for all the input! My Favero Assioma Duo-Shi arrived today. I installed them with PD-M520 pedals. (please see my post in the other thread for more details)

First impression is great, I will test them over the next couple of days.


You will like the Assiomas. They are by far the best PM for the best price I’ve ever seen.

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