You can download it here: https://apps.garmin.com/en-US/apps/444ce575-fbc3-4303-8d01-aebf15d2fe15
Featuring:
- Big dial to display your current speed;
- Secondary dial can display either heart rate or power;
- You can choose between 24 different metrics for the other fields (except on Epix);
- Display heart rate as BPM, %HRR or HR - %Max.;
- Display power in Watts or %FTP
Fields to choose from:
- Speed: current, average or maximum
- Heart rate: current, average or maximum
- Cadence: current, average or maximum
- Power: current, average or maximum
- Calories
- Energy expenditure (if available on device)
- Training effect (if available on device)
- Distance
- Time: timer time or total time
- Altitude: current altitude, total ascent, total descent
- Heading
- Clock time
- Battery level
You can select the data fields and set up the heart rate and power zones with app settings. How to do this is explained in this thread.