Power Meter - Stages Power Gen 3 Firmware Release Notes

Rotate your Stages Power meter cranks to awaken the device.

To update power meter firmware:

  1. Open the Stages Cycling app and select your Stages power meter from the Devices menu or add it as a new device.
  2. The firmware version will display a red alert symbol if the power meter requires an update.
  3. To initiate an update, select Firmware, then select Update.

Date: 07/22/21

Firmware Release #: v1.8.2

Replaces Release #: v1.8.1


  • Better support for Stages Power service commands in dual BLE connections.

Date: 02/25/21

Firmware Release #: v1.8.1

Replaces Release #: v1.8.0

Bug Fix:

  • The zero reset error 33 now relays the correct message in iOS and Android apps.

Date: 02/23/21

Firmware Release #: v1.8.0

Replaces Release #: v1.7.1


  • Dual BLE connections. The power meter will appear in Bluetooth scanners unless it is connected to two devices.
  • Refined calibration process to address LR Balance on smart bike power meters.
    • Added new error if the ADC value is changing too much (Error code 33).
    • Increased average time for reference voltage.
  • Reduced ANT+ signal interference in indoor studio environments where both gen 3 and gen 2 indoor power meters are present.
  • More accurate battery characterization. The battery status displayed in the app and on head units is now more reflective of the actual charge remaining in the battery.
  • Supports serial number format (AAMMDDYYY####) used on power meters in 2021 going forward.

Date: 09/04/20

Firmware Release #: v1.7.1

Replaces Release #: v1.7.0

Bug Fix:

  • Firmware version reporting over ANT now reports the correct version number.

Date: 09/03/20 (m/d/y)

Firmware Release #: v1.7.0

Replaces Release #: v1.6.8


  • Improved zero-cal results immediately after waking meter.
  • Better auto-zero for indoor cycling and smartbike meters.
  • Smarter handling of balance values.
  • Better signal quality between smartbike LR meters.

Bug Fixes:

  • Restarts and freezes of left side in LR power meters no longer occur.
  • Other minor bug fixes.

Date: 07/08/20 (m/d/y)

Firmware Release #: v1.6.8

Replaces Release #: v1.6.3


  • Added auto-zero functionality for smart cranks.
  • Increased the intial high-speed BLE connection from 10 seconds to 30. After 30 seconds, it will switch to low-speed.

Date: 04/06/20 (m/d/y)

Firmware Release #: v1.6.3

Replaces Release #: v1.6.1


  • Support for StagesBike LR cranks.
  • Zero reset window expanded (StagesBike LR cranks only) to support multiple pedal positions.
  • StagesBike cranks use alternate ANT channel.
  • Updated firmware version formatting for ANT+.

Date: 01/29/20 (m/d/y)

Firmware Release #: v1.6.1

Replaces Release #: v1.5.1


  • Support for 3.1 and 3.2 IC meters.
  • Improved auto-zero values.
  • Support for cadence-only meters.
  • Magnet-based cadence automatically enabled when a magnet is detected. Resets on sleep.

Bug Fixes:

  • ANT broadcast correctly transmits serial number.
  • Right-side meters correctly use gyroscope (must be enabled via app).

Date: 03/12/19 (m/d/y)

Firmware Release #: v1.5.1

Replaces Release #: v1.5.0


  •  Reverted high speed packet format to be compatible with existing apps.

Date: 12/18/18 (m/d/y)

Firmware Release #: v1.5.0

Replaces Release #: v1.3.0


  • Cadence improvements.

Bug Fixes:

  • Various bug fixes for indoor and outdoor power meters.

Date: 10/23/18 (m/d/y)

Firmware Release #: v1.3.0

Replaces Release #: v1.2.0


  • Various improvements for Gen. 3 outdoor and indoor power meters.

Date: 3/22/18 (m/d/y)

Firmware Release #: v1.2.0

Replaces Release #: v1.1.9


  • More stable zero-calibration numbers. Users should perform a zero-calibration after the firmware update is complete.
  • High-speed data reporting is enabled, although the feature will be hidden in upcoming app releases.
  • Improved left/right balance calculations.
  • Improved cadence filtering.

Bug Fixes:

  • ANT+ event count is more accurately synced between pages.

Date: 2/22/18 (m/d/y)

Firmware Release #: v1.1.9

Replaces Release #: v1.1.8


  • Power usage improvement.

Date: 2/09/18 (m/d/y)

Firmware Release #: v1.1.8

Replaces Release #: v1.1.1


  • Zero reset can no longer be started while a zero reset is already in progress.
  • IC meters broadcast ANT Power Only page exclusively.
  • Auto-zero implemented for IC meters.

Bug Fixes:

  • When connected via BLE, ANT radio performance experienced degradation due to incorrect BLE connection parameters.
  • BLE devices were holding the previous power value when coasting.

Date: 1/18/18 (m/d/y)

Firmware Release #: v1.1.1

Replaces Release #: v1.0.14

Bug Fixes:

  • Various bug fixes.

Date: 12/18/17 (m/d/y)

Firmware Release #: v1.0.14

  • Initial public release.