The shortest, most effective workouts

Your workout done in 5-minutes

Developed with leading exercise researchers, CAROL Bike offers 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.

"A groundbreaking piece of exercise equipment."

"For those short on time, it’s worth the investment."

“Ipsum perspiciatis voluptate harum officiis deleniti.”

"You’ll get maximum results from the shortest workout possible."

"Who wouldn’t want to work out for just five minutes a day and see a difference?"

"If you’re looking to revamp your at-home fitness lineup, CAROL Bike is here."

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 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 effective workouts tailored to you

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.

Get meaningful results in just 8 weeks

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.

CAROL Bike

Starting at: $2,595 (or $216.25/month with Affirm).

CAROL membership: $19.99/month.

Highlights

The only bike fully optimized for REHIT
22+ workouts to choose from
Fully commercial-grade exercise bike
AI-controlled, motorized resistance applied instantly
45.5″ x 22″ space requirement, smaller than your average yoga mat
Compatibility with a wide range of third-party apps (e.g. Peloton Digital, Zwift, Netflix)

Everett Myers

3 months

"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."

Everett Myers

3 MONTHS

49.2+9%

Fitness score

Joel Evan

3 months

"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!"

Joel Evan

1 years

45.6+20%

Fitness score

Dr Gabriela Moreno

3 months

"My CAROL Bike has been great to help me achieve greater fitness and power without the time investment but with all the fun!"

Dr Gabriela Moreno

1.5 YEARS

36.3+52%

Fitness score

Real riders, real results.

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.

Michael Kummer CAROL rider for 3 years

Christy Lemire CAROL rider for 1 year

Joel Evan CAROL rider for 2 years

Amy Stanton CAROL rider for 1 year

Loved by our community

Hear how our community of riders and fitness thought leaders get the most out of CAROL every day.

“My go-to solution for keeping healthy.”

Hear how busy entrepreneur and Holistic Weight Loss coach, Joel Evan, keeps fit and healthy using CAROL Bike.

1 MIN READ

A CrossFitter’s perspective—Michael Kummer

The healthy living and tech enthusiast on why CAROL makes him a better athlete.

1 MIN READ

“I'm excited about a different way to train on a bike.”

Strength influencer Colin Jenkins reviews CAROL Bike for 'Connect the Watts'.

2 MIN READ

Reduced Exertion HIIT (REHIT) training explained

Mike Mutzel on why power is the best measurement for cardio intensity.

1 MIN READ

Join our 30,000+ rider community

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

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 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.

The shortest, most effective workouts

Your workout done in 5-minutes

"A groundbreaking piece of exercise equipment."

What makes CAROL Bike special?

The most effective workouts tailored to you

Get meaningful results in just 8 weeks

CAROL Bike

Real riders, real results.

Loved by our community

Join our 30,000+ rider community

Good habits start here.

Explore

Support

About Us

Stay in the loop

Stay in the loop

Heart Rate Armband — $139

Heart Rate Chest Belt — $75

Phone Holder — $49

The shortest, most effective workouts

Your workout done in 5-minutes

"A groundbreaking piece of exercise equipment."

What makes CAROL Bike special?

The most effective workouts tailored to you

Get meaningful results in just 8 weeks

CAROL Bike

Real riders, real results.

Loved by our community

Join our 30,000+ rider community

Good habits start here.

Explore

Support

About Us

Stay in the loop

Stay in the loop

Order Summary

Upgrade Your Ride

Heart Rate Armband — $139

Heart Rate Chest Belt — $75

Phone Holder — $49

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