Fitness score 49.2 · +9%
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.
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Transform your commercial space with scientifically-proven, AI-personalized workouts — so your clients get fitter, faster.







Why CAROL
CAROL Bike combines AI-personalized Reduced Exertion HIIT (REHIT), clinically validated to deliver double the cardio gains of traditional training — in a fraction of the time.
Peer-reviewed studies at WMG, Leeds Beckett and Sheffield Hallam show CAROL delivers 2× the fitness gains in 1/10th the time.
Our AI adapts resistance to each rider's fitness in real time, removing the guesswork and maximizing every minute.
Engineered for 24/7 use. Silent magnetic resistance, fleet-wide analytics, and a 5-year frame warranty included.
The numbers
of CAROL members hit their fitness goal in under 8 weeks.
average VO2max improvement in 8 weeks of CAROL use.
the cardio gains of traditional steady-state training.
Commercial-grade by design
Magnetic resistance, belt drive, commercial-grade frame. Rated for 24/7 use with a 5-year frame warranty.
Personalized resistance profiles per rider, re-calibrating with every session. No coach required.
Utilization, performance outcomes, and retention cohorts — viewable for single sites or across an entire network.
Delivery, assembly, onboarding for your team, and dedicated commercial success support.
Included with every membership
Every rider gets tailored workouts that adapt to their fitness.
REHIT, power, endurance, recovery, fat-burn and more — always fresh.
Protocols developed with leading exercise physiologists.
VO2max, power, HR, recovery — measured every ride.
Members-only events, leaderboards, and expert-led programs.
Track rides, see history and access content from anywhere.
Brochure
Specs, pricing, brand info. Straight to your inbox.
Work email. We’ll send a confirmation email to verify your address, then the brochure. No sales pitch. Unsubscribe anytime.
Loved by riders, coaches & clinicians
Riders, fitness thought-leaders and self-optimizers on why CAROL Bike has become their go-to.
This is real. CAROL Bike gives you double the results of traditional exercise — in just 10% of the time.
I love my CAROL Bike. There's literally no reason I can't find 5 minutes to work out.
I've been using CAROL Bike for over a year. It is my go-to solution for burning fat and keeping my cardiovascular system healthy.
Commercial pricing
Hardware + software priced for single-site operators through multi-location deployments.
Per commercial bike. Includes 5-year frame warranty, white-glove installation, and rider onboarding.
Up to 25 users
Up to 50 users
Up to 100 users
Unlimited users · full API access
Book a 20-minute call with our commercial team. We'll scope your facility, model the ROI, and put together a rollout plan — no pressure.
Fitness score 49.2 · +9%
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.
Fitness score 36.3 · +52%
My CAROL Bike has been great to help me achieve greater fitness and power without the time investment but with all the fun!
Fitness score 41.6 · +12%
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!



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