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Live Younger

With CAROL Bike’s workouts, you can reset your VO2max by 12% in just 8 weeks—to where it was 10 years ago.

VO2max measures the maximum amount of oxygen you can burn while working out. The fitter you are, the higher it will be.


VO2max declines by about 10% every decade after the age of 30.


CAROL Bike is scientifically proven to improve your VO2max by 12%—in just 8 weeks. That’s like turning the clock back on your age by 10 years.

“A 10% increase in cardiorespiratory fitness significantly reduces the risk of mortality and morbidity by 15%”.
Lance Dalleck
Exercise and Sport Scientist, Western Colorado University
Get Fitter

Improve your fitness by 12% in just 8 weeks.

Live Healthier

Reduce your risk of type 2 diabetes by 62%—and blood pressure by 5%.

Next-level HIIT

Why Reduced Exertion HIIT (REHIT) is the most effective workout.

Maximum Metabolism

You’ll burn more calories on a 15-minute CAROL ride, than a 30-minute run.

Time to thrive

Make the most of your time with CAROL Bike's short and efficient REHIT workouts.

What is a REHIT workout?

Explore REHIT, the game-changing workout that redefines time-efficient training with just 2x20-second sprints.

Demo: How to do REHIT on CAROL Bike

Explore a hands-on guide to doing REHIT on CAROL Bike, showcasing its efficient, effective workouts tailored for every fitness level.

Boost your brainpower

Get fit, stay sharp: how high-intensity exercise and BDNF benefit your brain.

12 benefits of cycling

Regular cycling can help strengthen your heart and lungs, reduce the risk of certain types of cancer, and more.

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