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Biohacker approved

CAROL Bike: science-backed workouts to deliver the fastest result

CAROL stands out not only as the most efficient exercise bike Tim has ever used but also prides itself on being deeply rooted in scientific research, ensuring every workout is optimized for effectiveness.

 

Save $100 with code TIMBIOHACKER.

Time-saving, habit-forming—and scientifically proven to get you fittest, fastest.

Endorsed by Tim Gray, CAROL Bike stands as the pinnacle of fitness innovation, offering science-backed workouts that position it as the world's most effective exercise bike. A devoted user himself, Tim has experienced first-hand the transformative effects of the CAROL Bike on his personal health. Moreover, its consistent presence as a distinguished exhibitor at the annual Health Optimisation Summit underscores its eminent status in the wellness community.

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.

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

1 MIN READ

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Good habits start
here

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

Save $100

Use code DAVE 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% Financing

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

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