The bike that gets you fittest, fastest.
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.
Your shortest, most effective workout.
Reduced Exertion HIIT (REHIT) and AI-personalization make CAROL Bike unique. Just 2x20-second sprints create the most powerful training stimulus.
8 hacks for optimal fitness
Achieve your goals with less time and effort using this free guide—featuring 8 hacks for optimal strength and cardiovascular fitness from Dave Asprey's new book, Smarter Not Harder.
A simple habit, that works.
Just 2x20-second sprints, 3x a week. Scientifically proven to be the most effective cardio workout—a moment of effort you can always master.
Good habits start here.
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, Canada or UK, get your new CAROL Bike delivered for free in 7-10 days.
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.
Intelligent design, explained
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.
Fully commercial-grade exercise bike. Built for professional gyms.
Heavy-duty, powder-coated steel frame.
AI-controlled, motorized resistance applied instantly.
Silent, friction-free magnetic brake.
The highest accuracy standard for professional gym equipment.
Ergonomic handlebars with 5 different grip positions.
Designed for maximum comfort.
Optimal distance between pedals of 170 mm.
Dual-sided toe cage and SPD click pedals, to maximize rider efficiency.
Forged steel 170 mm crank arms.
Silent poly-V belt with automatic belt tensioner, 1:8 gearing ratio and freewheel safety clutch
Composite flywheel with steel core and brushed aluminum outer ring.
100 V to 240 V
11.5” IPS touchscreen with 2K resolution (2000 x 1200)
MediaTek® Helio G99 Octa-Core Processor
Integrated ARM Mali-G57 MC2 GPU
4 GB RAM
64 GB internal storage
Quad Speakers, Optimized with Dolby Atmos®
WiFi 6 (802.11 a/b/g/n/ax)
Wired ethernet via USB-C adaptor (not included)
A wide range of apps available via Google Playstore:
- Group classes with Peloton Digital
- Virtual rides and races with Zwift, Kinomap, Rouvy, and more
- Entertainment with Youtube, Netflix, Disney+ and more
- News with CNN, Fox, NBC and more
45.5″ x 22″
Height: 4’7″ – 6’7″
Max weight: 330 lbs
45.5″ x 45.5″
CAROL membership gives you and 7 other riders the full CAROL experience.
Our AI algorithm calculates your optimal resistance, for maximum results—so every second matters.
Choose from 20 scientifically-proven workouts and fitness tests. With more added as the science advances.
Home membership gives access for up to 8 riders.
Commercial membership tiers start at 24 riders.
Personalized dashboard with comprehensive performance metrics like Fitness Score; so you can accurately track how your fitness is improving.
CAROL Bike automatically adds new features, functionality and performance with over-the-air software updates.
Home membership is £399/lifetime (excl. sales tax).
For commercial memberships, you can contact our dedicated sales team here for a bespoke plan.
Customer support available via phone, chat, or email.
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.
Get your CAROL bike delivered fully assembled for $199.
With 7-step assembly, and support via phone, chat or email on-hand—setting up CAROL is simple.
8 hacks for optimal fitness
Get your free guide to improve cardio and strength based on Dave Asprey's new book.