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4.6/5 | 321 reviews

CAROL Bike gives you the shortest, most effective workouts—backed by science.

Base price: £2,163 (excl. shipping, duties and taxes).

CAROL membership: Lifetime membership £499.

Delivery estimate: Contact us for delivery times. See FAQs for the regions we deliver to and shipping costs.

Your bike comes with a free heart rate monitor.


  • 01

    CAROL Bike offers the shortest, most effective workouts—backed by science.
  • 02

    Scientifically proven to increase your cardio fitness by 12%—in just 8 weeks.
  • 03

    Burn twice as many calories on CAROL Bike than regular exercise.
  • 04

    CAROL Bike's AI-personalization means it's suitable for any age and any fitness level.
  • 05

    Reduce your risk of type 2 diabetes by 62%—and blood pressure by 5%.
  • 06

    Get the same benefits as a 45-minute run—in just 5 minutes.


Fully commercial-grade exercise bike. Built for professional gyms.


Heavy-duty, powder-coated steel frame.

Instant Resistance

AI-controlled, motorized resistance applied instantly.


Silent, friction-free magnetic brake.

Power Measurement

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.

Power Requirements

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






128 GB internal storage



Quad Speakers, Optimized with Dolby Atmos®



WiFi 6E: 802.11 a/b/g/n/ac/ax



Bluetooth 5.2



Wired ethernet via USB-C adaptor (not included)


Operating System

Android 13



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″

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.



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.



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.



Home membership is £499/lifetime (excl. sales tax).

Commercial memberships start from £999/lifetime (excl. sales tax).


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.


DIY Assembly

With 7-step assembly, and support via phone, chat or email on-hand—setting up CAROL is simple.

The ultimate CAROL Bike resource

Explore the ultimate resource for CAROL Bike, featuring comprehensive insights from our co-founder into REHIT workouts, unique CAROL features, habit-building strategies, a selection of tailored workout routines, and much more.

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.

From our community, who know us best.

Hear how our community of scientists, fitness thought-leaders and self-optimizers get the most out of CAROL Bike every day.

Biohacker Approved

Dave Asprey, the father of biohacking on CAROL Bike: “This is real!”

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