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."

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 Klarna).

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.

Join our 30,000+ rider community

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.”

Everett Myers

“This will help anyone get into the habit of exercising and will also support high performance athletes in reaching higher levels of strength and fitness. I recommend the purchase of CAROL without any hesitation!”

Gabriela Moreno

“The transformative impact on how my body feels has made CAROL my undisputed go-to for cardio workouts. As a sports medicine practitioner, I highly recommend it.”

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 UK, get your new CAROL Bike delivered for free in 7-10 days.

0% Financing

You can buy your CAROL Bike with Klarna. And pay just £216.25 for 12 months at 0% APR.

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