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How do I set wheel circumference for my speed sensor with the Wahoo Fitness App (iOS)?

Once your speed or speed/cadence sensor has been paired to the Wahoo Fitness app, you can set the wheel circumference to match your wheels/tires.

On the Sensor page, tap "Wheel Circumference".

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Enter the wheel circumference under "Custom Size" or tap a selection from the list to set the wheel size.

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The wheel circumference is now set for all profiles associated with this sensor.