Performed through a cycling computer. This function, if available, is often referred to as a 'Power Meter Calibration' (or similar) within the cycling computers Owner's Manual. Follow the below process if your cycling computer is capable of this function.
- Rider must be off the bike and un-clipped from the pedals.
- Place the drive-side crank arm in the 6 o'clock position.
- Initiate the 'calibrate' command as instructed in the cycling computers Owner's Manual.
**DO NOT MOVE THE CRANK**
- Within 3-5 seconds the cycling computer should indicate 'Success' and will often display the Zero Offset number.
Performed by rotating the crank backwards 5 complete revolutions. An Auto Zero can be performed with the rider on the bike while coasting.
Performing an Auto Zero will NOT display a Zero Offset number on the connected cycling computer.