Update / Upgrade guide for FSA PowerBox power meters
All FSA PowerBox power meters are fully-fledged power meters and measure the total power output of both legs.
The basic functions are:
- Cadence (no additional external sensor needed)
The firmware Update is a free process that allows you to have always the latest firmware installed on your POWERBOX.
The upgrades offer you the chance to buy additional functions:
- Bluetooth Connectivity
- Left/Right leg Power Balance
- Pedal Smoothness