Save $100 on your CAROL Bike purchase with code MODERNWISDOM.
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. It's the cardio of choice for leading health and fitness figures like Chris Williamson—saving hours of time while achieving superior results.
The shortest, most effective workouts
Our signature REHIT workout creates the most potent training stimulus with just 2x20-second sprints. It’s scientifically proven to deliver double the health and fitness benefits compared to normal exercise—in 90% less time.
Personalized to your fitness and goals
CAROL Bike's AI-personalization means it's suitable for any age and any fitness level. Our AI learns to push you to your limit, applying automatic and instant resistance, to ensure your workouts are most effective for you.
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.
CAROL Bike's AI-personalized workouts learn to push you to your limit, so every second matters. Developed with top exercise researchers, it's a collaboration designed to create quicker, more effective ways to get you fit. And CAROL Bike's 22 workouts are just the start.
CAROL Bike's short, effective workouts mean you can achieve superior health and fitness benefits of regular exercise—in 90% less time. And the best part—it’s all backed 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.
Save time
Get all the benefits of a 45-minute run in just 5.
"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."
Our riders are at the heart of everything we do. Discover the real impact of CAROL Bike straight from those reaping the benefits every day.
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 MODERNWISDOM 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.
