Ben Azadi is on a mission to help 1 billion people live a healthier lifestyle. Known as ‘The Health Detective’, Ben discovered CAROL Bike’s transformational power and fell in love with it’s short, efficient workouts—delivering significant health and fitness benefits with minimal time invested.
Save $100 with code FREEDOM.
Developed with leading exercise researchers, CAROL Bike offers science-backed workouts proven to improve key health and fitness indicators in just minutes. In fact, you can achieve superior fitness benefits in 90% less time compared to regular cardio. For Ben, CAROL provides more than just time-saving fitness, it also delivers holistic results for a multitude of health markers—including metabolic flexibility, weight loss and lifespan—in the most efficient way.
Ben sits down with CAROL CEO and co-founder, Ulrich Dempfle, to talk about the scientifically proven benefits of CAROL Bike and REHIT.
“With just 2×20-seconds sprints, you send a very powerful signal to your body that it has to develop more and larger mitochondria, telling your body it has to get fitter and stronger.” – Ulrich Dempfle, CAROL CEO
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.
"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."
"My CAROL Bike has been great to help me achieve greater fitness and power without the time investment but with all the fun!"
"It's easy to fit a quick 5-minute workout in, especially if you don't need to shower after your workout!"
"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."
"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."
"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."
"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."
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.
Read real reviews from riders who’ve experienced CAROL’s benefits themselves.
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.”
Hear how our community of scientists, fitness thought-leaders and self-optimizers get the most out of CAROL Bike every day.
Order CAROL Bike now, try it for yourself—and build a habit that lasts.
Save $100
Use code FREEDOM 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 $207.91 for 12 months at 0% APR.
