CAROL Bike gives you the shortest, most effective workouts—backed by science. It’s the world’s first home REHIT exercise bike. Delivering the same results as a 45-minute run—in just 5. See how CAROL compares to other bikes below.
CAROL Bike was built to make optimal health and fitness easier for everyone. With science-backed workouts proven to deliver results—and save you time.
| Workouts | CAROL BIKE | PELOTON BIKE + | PELOTON BIKE |
|---|---|---|---|
| REHIT – most effective cardio backed by science |  |  | |
| Automated zone-based training | | | |
| Virtual outdoor rides and races (e.g. Zwift) | * | | |
| Studio cycling classes | * | | |
| Time to get or stay fit per week | From 15 minutes | From 75 minutes | From 75 minutes |
*Requires separate subscription to third party application. | |||
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 10% of the 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.
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 every day.
Order CAROL Bike now, try it for yourself—and build a habit that lasts.
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, get your new CAROL Bike delivered for free.
0% financing
You can buy your CAROL Bike with Affirm. And pay just $216.25 for 12 months.
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