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Unlock the key to longevity in our free guide. DOWNLOAD NOW.

Your exclusive IHRSA discount—get $500 off each CAROL Bike. Contact Us.

Get $250 off with code BIOHACKING25. Offer ends 24 June. BUY NOW.

Get $500 off with code EXERCISECOACH. Offer ends 31 May.

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.

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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.

Listen to the full podcast

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.

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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.

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Join our 30,000+ rider community

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

Trustpilot

Shauna Murphy

"Exercising smarter with CAROL is improving my health week after week. The AI personalization takes any guesswork out of my workouts, so I continue to be challenged and exceed my goals. I am a powerful example of CAROL Bike’s effectiveness!"

Joel Evan

"The most significant barrier for me and my busy clients is TIME, and CAROL removes that; in just 5-10 minutes, you get a cardio workout equivalent to 45 mins. Absolute game-changer!”

Andrea Miller

“CAROL has been a game changer for me. The REHIT Intense ride is revolutionary in the fitness realm. It’s the most effective way to get the fittest, the fastest.”

Everett Myers

“This will help anyone get into the habit of exercising and will also support high performance athletes in reaching higher levels of strength and fitness. I recommend the purchase of CAROL without any hesitation!”

Gabriela Moreno

“The transformative impact on how my body feels has made CAROL my undisputed go-to for cardio workouts. As a sports medicine practitioner, I highly recommend it.”

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From our community, who know us best.

Hear how our community of scientists, fitness thought-leaders and self-optimizers get the most out of CAROL Bike every day.
Biohacker Approved

Dave Asprey, the father of biohacking on CAROL Bike: “This is real!”

More on Community

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 mainland US or Canada, get your new CAROL Bike delivered for free.

0% APR Financing

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

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CAROL is a brand name of Integrated Health Partners Limited (IHPL), 2107 North Decatur Road, Suite 402, Decatur, GA 30033.

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