CAROL Bike’s Fitness Score and detailed performance metrics are a simple way to track how your fitness is improving. Making it easy to stay motivated—the key to forming a good habit.

Want a challenge? Track your progress against the rest of the CAROL Bike community, with our global leaderboards.
Set a resistance or target power that you can keep pedalling at with full effort for the entire 20 minutes. Adjust these with the controls at the bottom of the screen.
The LAP button lets you keep an eye on your average power on each lap. When you’re finished, CAROL Bike’s AI calculates your FTP as 95% of your best 20-minute average power level.
Recommended to do once to measure FTP and periodically to precisely measure aerobic fitness.