The community
From our community, who know us best.
CAROL’s community of over 35,000 riders are optimizing their health and fitness and living younger and happier lives. Discover how they make every second count with CAROL Bike.
A personal benefit of better cardio—Mark’s storyAfter years of struggling with erectile dysfunction, Mark assumed it was simply part of getting older. A few months into riding CAROL Bike, he…
It clears my head completely.He trained and boxed for years and knew what real conditioning felt like. Most modern workouts didn't measure up, until he found CAROL Bike. The…
What a doctor actually does for cardioHe’s medically trained, time-poor, and 6 months in. Dr. Jordan Robins on why CAROL stuck.
“CAROL, there is no substitute.” - Jeremiah’s story, 8 weeks in8 weeks ago, Jeremiah stumbled across a YouTube review and started digging. A few hours later, he’d ordered a CAROL Bike. Now his VO2max has jumped…
The case for frictionless fitnessFor years, Marco knew sprint training worked. He also knew it kept not happening. Too long, too weather-dependent, too logistically complicated to…
“Seeing my body changing makes me very happy.”Kelly wanted a way to exercise at home without sacrificing time. After one month with CAROL Bike, she’s riding more consistently, enjoying the…
"It’s a technological marvel"At 72, businessman John uses CAROL Bike to hit his longevity goals—improving VO2max through just 2x20-second REHIT sprints a few times each week.…
Staying fit, focused, and sleigh-ready with CAROL Bike.Santa on efficient workouts, the longest night of the year, and routine over resolutions.
“My doctor was blown away by the results.”Marshall has spent years evaluating fitness tools for his strength studio, but nothing matched the measurable cardiovascular changes he saw with…
CAROL Bike: The 5-minute habit that’s lasted 5 yearsAt 71, Maggie has spent 5 years getting fitter, stronger, and leaner with CAROL Bike’s 5-minute REHIT rides. Just 2x short sprints, twice a week…
CAROL Bike: The one habit that lasted beyond lockdownMost pandemic buys didn’t last. Alan’s CAROL Bike did. 5 years on, its efficient workouts keep his routine consistent and his health markers…
How CAROL Bike took my training to the next levelAfter more than a decade of sprint training, Paul thought there was little room left for improvement. CAROL Bike proved otherwise—helping him hit…
Why CAROL Bike is essential for this wellness expertPhysical therapist Susan shares her journey with CAROL Bike—how it’s helped her lower blood pressure, improve VO2max, and fit effective training…
How I built a decade-long fitness habit with CAROLPaul didn’t believe the hype—until a 5-minute ride changed everything. See how he built a decade-long fitness habit with CAROL Bike.
How CAROL helped Katherine stay fit through it allKatherine shares how CAROL Bike has supported her fitness journey across 5 years and multiple pregnancies. From peak training to postpartum…
“CAROL Bike takes away all excuses”Rider Dr. Eugene Sambataro has completed nearly 600 CAROL Bike workouts since 2019. Discover how CAROL’s REHIT protocol helped him improve VO2max,…
“I needed the most efficient way to rehabilitate my heart”After losing 40% of his heart’s pumping capacity, longevity coach Nigel needed a smarter way to support his rehabilitation. Traditional endurance…
“I felt amazing after 7 minutes”After trialing CAROL Bike at a conference, she was hooked. Now, her doctor can’t believe the results. Here’s why she swapped her Peloton for CAROL’s…
“It’s never too late”—Sandra’s storySandra, founder and CEO of the Functional Medicine Coaching Academy, has spent decades championing holistic health. Now approaching 75, she shares…
Beating genetics with CAROL BikeMatt wasn’t a cardio fan until CAROL Bike entered his life. With short workouts and powerful results, he’s transformed his fitness and heart health…
From last to leaderboard: A transformation storyLearn how the mental challenges of CAROL Bike workouts empowered rider Ed to achieve significant fitness milestones and newfound mental toughness.
Beating heart concerns with CAROL BikeAs a lifelong fitness enthusiast, staying fit was nothing new to Dexil. However, as concerns about heart health began to emerge, he needed a solution.
Stress down, fitness up: Kris Daniels' success with CAROLKris Daniels stumbled upon CAROL Bike somewhat by chance and turned that encounter into a journey of epic health wins. Hear his story about physical…
Unlocking fitness excellence with Dave PascoeAt 61, biohacker Dave Pascoe has the biological age of a 38-year-old. Discover how Dave utilizes CAROL Bike to significantly improve his…
Ally’s adaptive training: Merging CAROL Bike and martial artsMartial artist Ally Sinyard leverages CAROL Bike for cardio health and workout variety, finding an efficient, optimized fitness solution.
Finding fitness after fatherhood with CAROLA beacon of hope for busy parents everywhere, this story goes beyond just finding time for exercise; it's about the quality of life that comes from…
From injury to peak performanceDiscover how Shauna lost 45lb., recovered from injury, improved fitness, and climbed the leader board in just 6 months with CAROL Bike.
Gaby Moreno: Climbing to new heights with CAROL BikeHear how a functional medicine practitioner found her perfect training partner in CAROL, enhancing her rock-climbing prowess and overall fitness…
A GP's vision for revolutionizing healthcare with CAROL BikeNHS GP Dr. Phil Cox champions CAROL Bike's REHIT workouts as a game-changer in UK healthcare, aiming to tackle diabetes and high cholesterol with…
Beyond survival: How CAROL Bike fueled Carolyn’s comebackAfter a life-altering accident, Carolyn Kostopoulos turned adversity into advantage with CAROL Bike. Embracing CAROL's efficient workouts, she found…
A former first responder's journey with CAROL BikeHear the inspiring story of a former first responder who transitioned to entrepreneurship and found a groundbreaking way to balance fitness with a…
The ultimate CAROL Bike resourceExplore the ultimate resource for CAROL Bike, featuring comprehensive insights from our co-founder into REHIT workouts, unique CAROL features,…
The rider behind the revolution: Ulrich's rider storyExplore CAROL co-founder, Ulrich Dempfle's, personal fitness transformation, how CAROL Bike revolutionized his routine, and his vision for the…
Defying age, defining fitness: Andrea’s CAROL journeyAndrea exemplifies what it means to defy fitness limits. With a VO2max score that rivals those in their twenties, CAROL Bike has helped Andrea…
From energizing mornings to marathon prep: Everett's storyCAROL exceeded rider Everett's expectations, becoming an integral part of his family's daily routine and supporting his marathon prep.
CAROL Bike on "Better with Dr. Stephanie” PodcastIn this podcast, CAROL Bike's co-founder, Ulrich Dempfle, and Dr. Stephanie Estima explore the science behind CAROL, discuss psychological…
Simone's journey with CAROL: From podcast to peak fitnessIt's not every day that a podcast changes your life. For rider Simone, it was the first step in a transformative journey with CAROL. Just 3 months…
"In 10 minutes I increased my longevity by 10 years"Understand Joel Evan’s fitness journey with CAROL Bike, highlighting how the AI-powered bike helped him achieve impactful results in minimal time.
A CrossFitter’s perspective—Michael Kummer“It’s only 40 seconds of work, but the health benefits are the same as a 45-minute run” - Micheal details how CAROL’s efficiency complements his…
“I'm excited about a different way to train on a bike.”Owner of a successful Strength and Conditioning facility, Colin Jenkins also writes for Connect the Watts, known for consistently breaking exclusive…
Reduced Exertion HIIT (REHIT) training explainedHow to upgrade your fitness program and increase fat loss with CAROL—the world’s only home REHIT exercise bike—according to Mike Mutzel.
"This is now the only cardio that I do."Medical expert Dr. Gains recommends CAROL Bike as his go-to cardio workout due to its unparalleled effectiveness in just 5 minutes.
Co-Founder Q&A: Ulrich DempfleCAROL CEO & co-founder, Ulrich Dempfle, answers your burning questions—from the inspiration behind CAROL to the exciting innovation happening in…
Benefits of a 45-minute run—in just 5Ben Greenfield thinks outside the box and shares his alternative approach to health and happiness, with a growing community of followers. He also…
“Most Innovative Exercise Bike 2022”After a 2-month test, here’s what Coop from Garage Gym Reviews found—and shared—with his 385k strong community: CAROL is the most innovative and…
Biohacker ApprovedCAROL is the bike of choice at all of Dave Asprey's Upgrade Labs — the world’s first Human Upgrade Centers — and here's why.
“I love my CAROL Bike!”Hear from Dr. Michael Gervais, a performance psychologist who’s helped world-class athletes and organizations raise their game for over 2 decades.
Make every second count.
Join our 35,000+ rider community.