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Ben Greenfield x CAROL Bike

Experience the bike of the future

“CAROL is one of the most unique and effective cardio equipment I’ve ever discovered. You need to find a way to work out that fits you and your life. CAROL does exactly that.” – Ben Greenfield.

 

Use code ‘BEN’ at checkout to get £100 off.

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The shortest, most effective cardio workout

As a go-to authority in health, fitness, and biohacking, Ben Greenfield is an expert in optimizing health and fitness results. After discovering CAROL Bike's unique REHIT workouts, Ben now has a CAROL in his office and uses it to achieve superior benefits in 90% less time compared to traditional steady-state cardio.

“You’re going to see a marked difference in your fitness, your health and your body investing only 26 minutes a week. It's a game changer." - Ben Greenfield.

Listen to Ben's podcast with Ulrich Dempfle, CEO and co-founder at CAROL

Developed in collaboration with exercise researchers, CAROL Bike is proven to give you the shortest, most effective workout. Listen to Ben and Ulrich, CEO and co-founder at CAROL, discuss how to get the benefits of a 45-minute run in under 9 minutes (& a 12% VO2max increase & 62% lower risk of diabetes). CAROL is the new AI bike that’s taking the fitness world by storm.

What sets CAROL
Bike apart?

Shortest, most effective workouts

Just 5 minutes, 3x a week. Scientifically proven to deliver results and designed for time-poor people.

Personalized to your fitness and goals

CAROL Bike's AI-personalization makes it suitable for any age and fitness level.

Significant results in 8 weeks

CAROL Bike is proven to improve your VO2max by 12% in just 8 weeks, effectively turning back the clock by 10 years on your physical fitness.

Everett Myers
3 months

"I’ve been training for a half marathon and since adding CAROL Bike to my daily routine in the past 2 weeks, my VO2max has gone up 5% already."

Everett Myers
3 MONTHS
49.2+9%
Fitness score
Dr Gabriela Moreno
3 months

"My CAROL Bike has been great to help me achieve greater fitness and power without the time investment but with all the fun!"

Dr Gabriela Moreno
1.5 YEARS
36.3+52%
Fitness score
Phil Cox
3 months

"It's easy to fit a quick 5-minute workout in, especially if you don't need to shower after your workout!"

Phil Cox
5 MONTHS
32.9+9%
Fitness score
Ann Meyers
3 months

"It is a keystone health habit builder that not only makes you feel better but makes you more conscious of acting in healthier ways throughout the day."

Ann Meyers
3 MONTHS
26.6+12%
Fitness score
Peter Bauman
3 months

"Dropping 2.6% bodyfat in ~8 weeks for someone who prioritizes a healthy lifestyle is no easy feat. I’d go so far as to label it as a gamechanger."

Peter Bauman
9 MONTHS
32.3+5%
Fitness score
Germany Mayfield
3 months

"If you’re looking for a quick, effective biohack to improve your cardiovascular health, increase your endurance in an efficient way... this seems to be the move."

Germany Mayfield
9 MONTHS
34.3+12%
Fitness score
Everett Myers
3 months

"CAROL has been a really great way for me to keep active, for me to keep moving without putting too much stress on my body."

Everett Myers
3 MONTHS
30.3+10%
Fitness score

Your results,
supported by
science

Get Fitter

Improve your cardio fitness by 12% in just 8 weeks.

Save Time

Get all the benefits of a 45-minute run in just 5.

Live Healthier

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

Live Younger

Improving your VO2max by 12% is like turning your body clock back 10 years.

Join our 25,000+ rider community

Read real reviews from riders who’ve experienced CAROL’s benefits themselves.

Good habits start
here

Order CAROL Bike now, try it for yourself—and build a habit that lasts.

Save £100

Use code BEN at checkout to save £100 off your CAROL Bike purchase.

100-Day Home Trial

Try CAROL Bike at home for 100 days. And if it’s not for you, return it and get a refund.

Free Delivery

If you live in the UK, get your new CAROL Bike delivered for free.

0% Financing

You can buy your CAROL Bike with Klarna. And pay just £207.92 for 12 months at 0% APR.

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