The community
Aus unserer Community, die uns am besten kennt.
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.

Der 5-minütige Herz-Kreislauf-Anker
Melini’s story: the science sold her, the results kept her riding.
Ein persönlicher Nutzen von besserem Ausdauertraining – Marks Geschichte
At 52, Mark blamed erectile dysfunction on age. Better cardio changed that — and his confidence with it.
Das macht meinen Kopf völlig frei.
Stanislav boxed for years and found most modern workouts too soft. The mental reset surprised him most.
Was ein Arzt tatsächlich für das Herz-Kreislauf-System tut
He’s medically trained, time-poor, and 6 months in. Dr. Jordan Robins on why CAROL stuck.
„CAROL, es gibt keinen Ersatz.“ – Jeremiahs Geschichte, 8 Wochen später
A YouTube rabbit hole, an order placed the same day, and a VO2max up from 44 to 52.4 in 8 weeks.
Argumente für nahtlose Fitness
Marco knew sprint training worked; it just never happened. Removing the friction is what changed.
„Meinen Körper zu sehen, wie er sich verändert, macht mich sehr glücklich.“
One month in, Kelly rides more often than she ever did at a gym — and can see the difference.
„Es ist ein technologisches Wunderwerk.“
At 72, John has no time for Zone 2 — so his longevity plan is 2x20-second sprints, a few times a week.
Bleiben Sie fit, konzentriert und schlittenbereit mit dem CAROL Bike.
Santa on efficient workouts, the longest night of the year, and routine over resolutions.
„Mein Arzt war von den Ergebnissen überwältigt.“
Marshall has tested fitness gear for years. One ride, and a later stress test, made CAROL Bike the keeper.
CAROL Bike: Die 5-Minuten-Gewohnheit, die seit 5 Jahren anhält
At 71, Maggie has ridden twice a week for 5 years — no squawking instructors required.
CAROL Bike: Die eine Gewohnheit, die auch nach dem Lockdown geblieben ist
Most pandemic fitness buys were abandoned. Five years on, Alan’s CAROL Bike is still in the routine.
Wie das CAROL Bike mein Training auf die nächste Stufe hob
A decade of sprint training, and Paul still hit a new peak power on CAROL Bike.
Warum das CAROL Bike für diesen Wellness-Experten unverzichtbar ist
A physical therapist on lower blood pressure, a higher VO2max, and a bike her whole family uses.
Wie ich mit CAROL eine zehnjährige Fitnessgewohnheit aufbaute
Paul didn’t believe the hype—until a 5-minute ride changed everything. See how he built a decade-long fitness habit with CAROL Bike.
Wie CAROL Katherine dabei geholfen hat, die ganze Zeit fit zu bleiben
Five years, multiple pregnancies, and one bike that adapted through every phase of Katherine’s training.
„CAROL Bike nimmt alle Ausreden weg“
Nearly 600 rides since 2019: how a holistic dentist keeps his VO2max climbing in minutes a week.
„Ich brauchte den effizientesten Weg, mein Herz zu rehabilitieren“
After losing 40% of his heart’s pumping capacity, Nigel needed the most efficient rehab he could find.
„Ich fühlte mich nach 7 Minuten großartig“
Bijal swapped her Peloton after one 7-minute trial at a conference. Three years on, her doctor is convinced.
„Es ist nie zu spät“ – Sandras Geschichte
Approaching 75, the founder of the Functional Medicine Coaching Academy rides to stay fit, sharp and strong.
Genetik austricksen mit dem CAROL Bike
A quadruple bypass at 34 made cardio non-negotiable. Matt found a version of it he’d actually do.
Vom Letzten zum Spitzenreiter: Eine Verwandlungsgeschichte
Learn how the mental challenges of CAROL Bike workouts empowered rider Ed to achieve significant fitness milestones and newfound mental toughness.
Herzgesundheit fördern mit CAROL Bike
As 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 runter, Fitness rauf: Kris Daniels' Erfolg mit CAROL
A chance ride at Upgrade Labs turned into lower stress, better blood pressure, and a habit that stuck.
Mit Dave Pascoe die Fitness-Spitze erreichen
At 61, biohacker Dave Pascoe has the biological age of a 38-year-old. CAROL Bike is part of how.
Ally's adaptives Training: Eine Fusion aus CAROL Bike und Kampfsport
Martial artist Ally Sinyard leverages CAROL Bike for cardio health and workout variety, finding an efficient, optimized fitness solution.
Nach der Vaterschaft mit CAROL wieder fit werden
Fitness slipped after his first child arrived. Anthony found his way back with 5-minute rides at home.
Von der Verletzung zur Höchstleistung
Discover how Shauna lost 45lb., recovered from injury, improved fitness, and climbed the leader board in just 6 months with CAROL Bike.
Gaby Moreno: Mit CAROL Bike auf zu neuen Höhen
An MD, functional medicine practitioner and rock climber on the training partner that keeps up with her.
Die Vision eines Hausarztes, das Gesundheitswesen mit dem CAROL Bike zu revolutionieren
An NHS GP wants REHIT on prescription, and is researching what it could do for diabetes and cholesterol.
Mehr als nur Überleben: Wie das CAROL Bike Carolyns Comeback beflügelte
Hit by a car and left with a broken femur, Carolyn rebuilt her health on 5-minute rides.
Der Weg eines ehemaligen Ersthelfers mit dem CAROL Bike
A former first responder turned entrepreneur on fitting real training into a demanding life.
Die ultimative CAROL Bike Ressource
Our co-founder’s one-stop guide to REHIT, CAROL’s features, habit-building and the workouts themselves.
Der Reiter hinter der Revolution: Ulrichs Reitergeschichte
The engineer who built CAROL Bike on how it changed his own training — plus a holiday message.
Dem Alter trotzen, Fitness neu definieren: Andreas CAROL-Reise
At 55, Andrea has a VO2max that rivals riders in their twenties — and a comeback from injury behind it.
Vom energiegeladenen Morgen zum Marathon-Training: Everetts Geschichte
CAROL exceeded rider Everett's expectations, becoming an integral part of his family's daily routine and supporting his marathon prep.
CAROL Bike im Podcast „Better with Dr. Stephanie“
Ulrich Dempfle joins Dr. Stephanie Estima to unpack the science of REHIT and why 5 minutes is enough.
Simones Reise mit CAROL: Vom Podcast zur Topform
A podcast started it. Three months and three rides a week later, Simone tells everyone.
"In 10 Minuten habe ich meine Lebenserwartung um 10 Jahre erhöht"
Understand Joel Evan’s fitness journey with CAROL Bike, highlighting how the AI-powered bike helped him achieve impactful results in minimal time.
Die Sicht eines CrossFitters—Michael Kummer
40 seconds of work, the benefits of a 45-minute run — a CrossFitter’s take on where CAROL fits.
„Ich freue mich auf eine neue Art des Radtrainings.“
Strength coach and fitness writer Colin Jenkins on what his first CAROL Bike workout felt like.
Reduced Exertion HIIT (REHIT) – Training erklärt
How to upgrade your fitness program and increase fat loss with CAROL—the world’s only home REHIT exercise bike—according to Mike Mutzel.
"Das ist jetzt das einzige Cardio, das ich mache."
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 Dempfle
CAROL’s co-founder answers the questions riders ask most, from the first prototype to what’s next in R&D.
Vorteile eines 45-Minuten-Laufs – in nur 5 Stichpunkten
Ben Greenfield’s alternative take on health — and why CAROL Bike is the cardio he actually does.
„Innovativstes Heimtrainer 2022“
Coop tested CAROL Bike for 2 months, then named it the most innovative exercise bike of 2022.
Von Biohackern zugelassen
CAROL is the bike of choice at all of Dave Asprey's Upgrade Labs — the world’s first Human Upgrade Centers — and here's why.
„Ich liebe mein 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.Anzeige von 9 von 48
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