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CAROL Bike vs other bikes

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.

How CAROL compares vs other bikes

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.

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.

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What makes CAROL Bike special?

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.

Join our 20,000+ rider community

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

Loved by our community

Hear how our community of scientists, fitness thought leaders and self-optimizers get the most out of CAROL every day.

Good habits start here

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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