The CinQo powermeter measures power by measuring the torque (pedal force) and the angular velocity (cadence). When you press on the pedals, all parts of the bikes drivetrain displace (flex) slightly under the load. The CinQo spider is carefully designed using Finite Element Analysis to displace in a very controlled manner in specific locations in response to applied load. Strain gages are used to measure the displacement and thus calculate the applied torque.

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Product used: CinQo Saturn power meter.