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Note: new CAROL Bike orders come with one free Heart Rate Chest Belt.
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CAROL Bike gives you the shortest, most effective workouts—backed by science. It’s the world’s first home REHIT exercise bike. Delivering the same health and fitness results as a 45-minute run—in just 5.
Offer extended—save $250 on CAROL Bike in our biggest sale of the year. Use code CYBERWEEK. Hurry, offer ends 12/8.
Get the most effective workout in just 5 minutes with CAROL Bike - short and easy to fit into your life.
AI-personalized workouts tailored to you – simple to perform and suitable for any age and fitness level.
Scientifically proven to deliver superior health and fitness benefits in 90% less time compared to regular cardio.
Developed by leading scientists, Reduced Exertion HIIT (REHIT) is designed to provide the shortest, most effective exercise workout. Just 2x20-second sprints create the most powerful training stimulus. With CAROL's AI-personalization making it suitable for any age and fitness level.
CAROL Bike is scientifically researched and proven to improve your fitness and health. Just 3x5-minute REHIT rides a week will improve your cardio fitness by 12% in just 8 weeks.
Improving your VO2max by 12% is like turning the clock back on your age by 10 years.
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You’ll burn more calories on a 15-minute CAROL ride, than a 30-minute run.
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Make the most of your time with CAROL Bike's short and efficient REHIT workouts.
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CAROL Bike offers all essential features to make REHIT easy, effective and safe. All components have been meticulously engineered to provide the optimal riding experience.
CAROL Bike is the only bike fully optimized for Reduced Exertion HIIT (REHIT)— making it simple, effective, and safe. It provides the shortest, most effective workouts suitable for any age and fitness level - while offering greater versatility and choice than most other smart bikes.
Discover the special features essential for easy and safe REHIT.
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Discover how CAROL’s unique concept and design set it apart from Peloton and other bikes.
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Learn how increasing your VO2max can help you live longer, healthier, and better in our free guide for enhancing longevity.
Just 2x20-second sprints, 3x a week. Scientifically-proven to be the most effective cardio workout—a moment of effort you can always master.
CAROL Bike’s science-backed workouts. The short, smart, simple fit for your life.
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CAROL Bike’s AI algorithm calibrates every moment on the bike to you.
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Seamlessly connect to apps like Zwift, Kinomap, Peloton Digital and more.
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CAROL Bike integrates with entertainment apps like Netflix, Disney+, YouTube and more.
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Find the perfect CAROL Bike workouts for your health and fitness goals.
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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.
Hear how our community of scientists, fitness thought-leaders and self-optimizers make the most of every workout with CAROL Bike.
Hear from Human Performance Consultant Ben Greenfield, on the habit of working out.
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As awarded by Garage Gym Reviews, the #1 trusted home gym equipment review site.
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Order CAROL Bike now, try it for yourself—and build a habit that lasts.
Feel the benefits of CAROL Bike for yourself risk-free for 100 days. And if it’s not for you, return it and get a full refund.
All our experts have MScs in Exercise Science—here to help you achieve your fitness goals.
If you live in the mainland US, get your new CAROL Bike delivered for free in 7-14 days.
Grade
Fully commercial-grade exercise bike. Built for professional gyms.
Frame
Heavy-duty, powder-coated steel frame.
Instant Resistance
AI-controlled, motorized resistance applied instantly.
Brake
Silent, friction-free magnetic brake.
Power Measurement
The highest accuracy standard for professional gym equipment.
Handlebar
Ergonomic handlebars with 5 different grip positions.
Saddle
Designed for maximum comfort.
Q-factor
Optimal distance between pedals of 170 mm.
Pedals
Dual-sided toe cage and SPD click pedals, to maximize rider efficiency.
Cranks
Forged steel 170 mm crank arms.
Transmission
Silent poly-V belt with automatic belt tensioner, 1:8 gearing ratio and freewheel safety clutch
Flywheel
Composite flywheel with steel core and brushed aluminum outer ring.
Power Requirements
100 V to 240 V
Screen
11.5” IPS touchscreen with 2K resolution (2000 x 1200)
Processor
MediaTek® Helio G99 Octa-Core Processor
Graphics
Integrated ARM Mali-G57 MC2 GPU
Memory
6 GB RAM
Storage
128 GB internal storage
Sound
Quad Speakers, Optimized with Dolby Atmos®
WLAN
WiFi 6E: 802.11 a/b/g/n/ac/ax
Bluetooth
Bluetooth 5.2
Ethernet
Wired ethernet via USB-C adaptor (not included)
Operating System
Android 13
Apps
A wide range of apps available via Google Play Store:
Footprint
45.5″ x 22″
Bike Weight
120 lb
Rider Requirements
Height: 4’7″ – 6’7″
Max weight: 330 lbs
Space Requirement
45.5″ x 45.5″
CAROL membership gives you and 7 other riders the full CAROL experience.
AI-Optimization
Our AI algorithm calculates your optimal resistance, for maximum results—so every second matters.
20 Workouts
Choose from 20 scientifically-proven workouts and fitness tests. With more added as the science advances.
Multiple Riders
Home membership gives access for up to 8 riders.
Commercial membership tiers start at 24 riders.
Metrics
Personalized dashboard with comprehensive performance metrics like Fitness Score; so you can accurately track how your fitness is improving.
OTA Updates
CAROL Bike automatically adds new features, functionality and performance with over-the-air software updates.
Price
Home membership is $19.99/month (excl. sales tax).
Commercial memberships start from $49/month (excl. sales tax).
Support
Customer support available via phone, chat, or email.
Delivery
If you live in the mainland US, Canada or UK, get your new CAROL delivered for free.
100-Day Home Trial
Try CAROL at home for 100 days. And if it’s not for you, return it and get a full refund.
Paid Assembly
Get your CAROL bike delivered fully assembled for $199.
DIY Assembly
With 7-step assembly, and support via phone, chat or email on-hand—setting up CAROL is simple.
Looking to use CAROL in your business? Find out more about our commercial offering, here.
Order Summary
Note: new CAROL Bike orders come with one free Heart Rate Chest Belt.
Subtotal