Scientifically-proven stationary bike workouts to get you fitter, faster.
CAROL Bike’s AI-personalized stationary bike workouts learn to push you to your limit, so every second matters. Developed with leading exercise researchers, every workout is scientifically proven.
Your perfect indoor bike workout, backed by science.
Get fitter in less time. Improve your cardio fitness by 12% in just 8 weeks. CAROL Bike’s AI adapts every workout to your fitness level.
Live healthier. Reduce your risk of type 2 diabetes by 62%—and blood pressure by 5%.
Lose weight. 66% of calorie-burning with CAROL happens after your workout, maximizing your metabolism.
Reduced Exertion HIIT (REHIT)
CAROL Bike’s signature stationary bike workout—the shortest, most effective cardio, in just 5 minutes.

CAROL Bike’s signature workout—the shortest, most effective cardio.

A lighter variation of CAROL’s main workout.

A variation of CAROL’s main workout with slightly shorter sprints.

A much lighter variation of CAROL’s main workout.

The easiest variation of CAROL’s main workout.
Fat Burn
A time-efficient HIIT workout, proven to burn twice as many calories as regular exercise.
Free Rides
Take control of your training. Adjustable timing, intensity, resistance and target power.
Custom Rides
Sprint interval workouts backed by science, varying in duration and intensity.

Use as a challenging substitute for REHIT or Fat Burn rides.

Shorter sprints done at a longer duration than REHIT Intense.

Scientifically validated to be tougher than REHIT Intense.

One of CAROL Bike’s toughest workouts.
Fitness Tests
Track your performance with tests that measure Functional Threshold Power and Maximum Aerobic Power.

Used to measure Functional Threshold Power (FTP) and Maximum Aerobic Power (MAP).

Measure your Functional Threshold Power (FTP) with our 20-minute test.

A different way to measure your Functional Threshold Power (FTP).

Gauge your VO₂max and Functional Threshold Power (FTP) in an 8-minute ride.
Workout recommendations
Build your perfect regimen and reach your health and fitness goals faster.

Train in Zone 2 for optimal longevity benefits.

Short on time? Utilize the shortest, most effective workout.
Track Functional Threshold Power (FTP), aerobic performance, and more.

Burn twice as many calories as regular exercise with Fat Burn rides.

Ride to Netflix, Disney+ or YouTube - entertainment that makes every session easy to start.






