Keiser M3 Red Calibration Tool for Computer Version 406

• This red calibration tool is for use on the Keiser M3 bikes equipped with the computer version 406
  • M3 serial numbers 120912-25599 to current are produced using software version 406 and up
• Version 406 uses this tool and calibrates the magnets to the flywheel
• Calibration is necessary with a new computer or magnet assembly