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.
CAROL Bike's short, effective workouts mean you can achieve double the 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.
5 minutes, 3x a week. CAROL Bike workouts are scientifically proven to be the most effective cardio workout—and so easy to fit into your routine. Giving you back time for the things that matter most.
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.
"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!"
"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!"
Hear how our community of riders and fitness thought leaders get the most out of CAROL every day.
Read real reviews from riders who’ve experienced CAROL’s benefits themselves.
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 in 7-10 days.
0% Financing
You can buy your CAROL Bike with Affirm. And pay just $216.25 for 12 months at 0% APR.
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