Why does the system need magnets?
Magnets are required when the system is in Pedaling Monitor Mode and used with a Pioneer Cycle Computer in order to accurately measure the rotation of the crank to determine the 30 degree intervals for force measurement. Two types of magnets are provided; use one magnet on each side, of either type, depending on your bicycle frame. Magnets are not required when the Power Meter Sensors are in their default ANT+ Modes and used with an ANT+ compatible Cycle Computer.
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