Indoor Power Meter - Stages Gen. 3 Firmware Release Notes

Download the Stages Power app to your mobile device.

Download for Android
Download for iOS

Rotate the Stages Indoor Power meter cranks to awaken the device.

  1. Select your Stages Indoor Power meter from the app's Discovering Devices page.
  2. Locate the ANT ID on the left crank and confirm that it matches the one selected in the app.
  3. Select Connect. Once connected, the app will detect your current firmware version and check for new updates.
  4. If an update is available, select Update Firmware.

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 #: v.1.6.8


  • 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 #: v.1.6.3


  • Added auto-zero functionality from smart cranks.
  • Increased the initial 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 indoor cycling 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.