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The bike that gets you fittest, fastest

"In 10 minutes I increased my longevity by 10 years"

Discover the shortest, most effective workouts for weight loss, higher VO2max and longevity—backed by science.

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

Long-time rider Joel Evan said goodbye to excuses when he discovered CAROL Bike’s shortest, most effective workouts. In his words, it was an “absolute gamechanger".

What makes CAROL Bike special?

The shortest, most effective workouts

5 minutes, 3x a week. Scientifically proven to get you results. Designed specifically for time-poor people—so lack of time is no longer an excuse.

Personalized to your fitness and goals

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

Significant results in just 8 weeks

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.

The shortest, most effective workouts. Backed by science.

AI-personalized workouts. With Instant Resistance, for maximum results.

Joel Evan
3 months

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

Joel Evan
1 years
Fitness score
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
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
Fitness score

Your results, supported by science

Get fitter

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

Live healthier

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

Lose weight

Burn twice as many calories on CAROL Bike than regular exercise.

Loved by our community

Biohacker Approved

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

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.

100-Day 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, get your new CAROL Bike delivered for free in 7-10 days.

0% APR Financing

You can buy your CAROL Bike with Affirm. And pay just $216.25 for 12 months at 0% APR.

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