The fastest way to get fit, healthy, and lose weight

The first AI-powered exercise bike with the ultimate personalized workouts.

Try it at home for 100 days.

The future of fitness

Maximum results in minimum time
  • Optimized workouts

    – 8:40 per ride
    – 3 rides per week
    – 8 weeks for proven results

  • Proven health benefits

    – Increase VO2max
    – Reduce blood pressure
    – Lose weight

  • Continual updates

    – Refined algorithms
    – New rides and features
    – Third party integrations

Too busy to exercise? Want to see better and faster results? That’s why we created CAROL so you can enjoy the maximum health and fitness benefits with the minimum time required.

Our main workout lasts just eight minutes 40 seconds. Do it three times a week for just eight weeks and it’s been scientifically proven to deliver double the health and fitness gains of regular exercise.

CAROL is the first exercise bike to let you enjoy lab-grade exercise in your own home. It is based on a type of high-intensity training called Reduced Exertion High Intensity Training (REHIT) that was designed in a lab, studied by scientists, and refined by us so you can reap the benefits.

Try it now

Get started with CAROL today

0% financing options available

Pay over 12 months with 0% financing available through Klarna or Affirm financing. (US and UK only)

100-day home trial

Our research shows you’ll get CAROL’s health and fitness gains in 8 weeks. Experience it for yourself, risk-free.

Free delivery in 5-10 days

You’re ready to get started with CAROL, so we’ll make sure you get the bike as quickly as possible. (US and UK only)

Your AI health coach

Personalized workouts tailored to you


CAROL’s software tailors each workout to you, calculating a resistance level that is personalized to bring you maximum results.

There are no dials or user input needed. Simply get on, start pedalling, and let CAROL do the rest.

What do you want to achieve?

Whether you’d like to get fitter and healthier, lose weight, or manage pre-existing conditions, CAROL is your prescription to wellbeing. 

Our workouts are suitable for any age and fitness level. CAROL has been designed with many features to keep you safe, and its short intense workouts are less strenuous than longer interval workout routines.

Whatever your workout goals, we can help you achieve them and offer personalised consultations with our customer success team as part of the service.

Continual updates

Your complete fitness solution

Thanks to CAROL’s cutting edge AI software, every ride will be personalised and optimised for you. As you get fitter, CAROL will calculate the exact resistance to get you to peak power and push you to reach new targets.

You can also use your CAROL bike like a regular exercise bike and mix in popular streaming classes such as Peloton Digital and Apple Fitness+, or (coming soon) race along with Zwift and Kinomap*.

CAROL is always learning so you’ll also benefit from software updates and new features. Plus, you can save each ride and see how you compare to other users on our global leaderboard. We like to think of it as our Tour de CAROL.

* Separate subscription and second device (mobile/tablet) required for some third-party apps.

CAROL’s mobile app allows you to analyze ride metrics and share your workouts
Track your metrics with the CAROL mobile app

CAROL workouts are precise fitness tests that make you fitter. With the CAROL mobile app you can track and analyse a rich set of metrics and the progress you are making. Nothing is as motivating as seeing results!

The app is available on iOS and Android devices.

Contact to find out more

Subscribe to our newsletter

    Read the latest articles:

    Interval Training with CAROL Optimizes Cardiovascular Health

    Even amidst the ongoing COVID-19 pandemic, heart disease remains the number one cause of death worldwide, taking an estimated 17.9 million lives each year.

    How CAROL’s REHIT Exercises Increase VO2 Max to Promote Life Longevity

    You want to be a fitter, better version of yourself. Maybe you wish you had more time to work out, or have more motivation to hit the gym.

    How to get fit fast with CAROL

    CAROL is nothing short of revolutionary. It’s an AI-powered exercise bike that can help you reach your health goals in a scientifically accurate manner in a shorter time span.