Join our 35,000+ rider community

Rider in a pink polo on a CAROL Bike outdoors, greenery behind

"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

Rider in a white top leaning over the handlebars of a CAROL Bike

"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

Rider in a grey t-shirt on a CAROL Bike in a wood-panelled room

"In just 4 months, my VO₂max has increased by about 12 points, and my heart rate has decreased by 10 bpm. For someone with a history of heart issues, these improvements are huge!"

Matt Ngyen

4 MONTHS

41.6+12%

Fitness score

Rider in a black t-shirt at a CAROL Bike screen indoors

"It's easy to fit a quick 5-minute workout in, especially if you don't need to shower after your workout!"

Phil Cox

5 MONTHS

32.9+9%

Fitness score

Rider in a striped top on a CAROL Bike outdoors among trees

"It is a keystone health habit builder that not only makes you feel better but makes you more conscious of acting in healthier ways throughout the day."

Ann Meyers

3 MONTHS

26.6+12%

Fitness score

Rider resting forearms on a CAROL Bike in a kitchen

"Dropping 2.6% bodyfat in ~8 weeks for someone who prioritizes a healthy lifestyle is no easy feat. I’d go so far as to label it as a gamechanger."

Peter Bauman

9 MONTHS

32.3+5%

Fitness score

Rider in a black t-shirt on a CAROL Bike, screen lit

"If you’re looking for a quick, effective biohack to improve your cardiovascular health, increase your endurance in an efficient way... this seems to be the move."

Germany Mayfield

9 MONTHS

34.3+12%

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

Read our reviews on Trustpilot

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

Trustpilot

"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!"

Shauna Murphy

"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!”

Joel Evan

“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.”

Andrea Miller

“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!”

Everett Myers

“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.”

Gabriela Moreno