Shimano Power Meter (R9200P): How is it this bad?
https://www.youtube.com/watch?v=Dcbm5gKOi2g
Shimano R9200P Power Meter In-Depth Review: Astonishingly Inaccurate
https://www.dcrainmaker.com/2023/02/shimano-r9200p-power-meter-review-astonishingly-bad.html
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