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

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.

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

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

Performance psychologist Dr. Michael Gervais.

As awarded by Garage Gym Reviews, the #1 trusted home gym equipment review site.

Join our 30,000+ rider community

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

"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!"

"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!”

“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.”

“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!”

“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.”

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.

Fast Delivery. If you live in the mainland US, get your new CAROL Bike delivered to your door in 7-10 days.

0% APR Financing. You can buy your CAROL Bike with Klarna. And pay just £199.58/month at 0% APR.