M3i Indoor Bike

MODEL 5506

THE BIKE THAT KEEPS RAISING THE BAR

The M3i is the culmination of over a decade of refinement of the M3 and hundreds of changes, from mastering the flow of sweat around the bike and better corrosion resistance, to a power meter so accurate that it was the first indoor cycling bike to pass the EN957-10 European Standard for accuracy and safety. But we didn’t stop there. It wasn’t good enough to have just one sample bike pass the test, we implemented a quality control and testing program to ensure that every bike we produce will pass the test. The M3i continues to raise the bar with the introduction of Keiser Integrated Technology and its ability to transmit to multiple Bluetooth® devices at once; transmitting your workout data to your cell phone or tablet at the same time it is sending the information to the class projection system and any other Bluetooth® device you want.


Keiser M3i

Virtual

Experience

See how we built the bike through this exciting, interactive experience that guides you through all of the exacting specifications, wows you with exploded views of the bike’s innovative features and enlightens you with the science behind Keiser’s many industry firsts, proving why the M3i truly stands above the rest.


Keiser

Interactive

Cycling

Enhance your rides & instruction with Functional Threshold Power (FTP) training and more from Keiser’s indoor cycling apps and group class system.

M Series
M Series Group
M Series Instructor

RIDER. GYM OWNER. TECHNICIAN.

Designed around you

The Keiser M3i is the industry’s only indoor group cycling bike built entirely around YOU – that’s YOU the rider, YOU the gym owner, and YOU the service technician. Game-changing features on the M3i include:

  • V-shape frame to match riders of all sizes
  • Rear-flywheel design for better protection from sweat and corrosion
  • Magnetic resistance for a smooth and quiet workout
  • A self-tensioning, zero maintenance Poly-V® Drive Belt
  • Revolutionary re-designed Keiser Bike Pedal
  • Bluetooth® wireless signal for open API for tablets and smartphones

KEISER INDOOR BIKE DISPLAYS

Two options for connected riding

Both backlit display options on the M3i include cadence, power, Kcals, heart rate, ride time, and more. Both also connect to popular group exercise packages as well as Keiser’s M Series apps.

M Connect Display

Great for home or studio, Keiser’s M Connect Display can connect the rider to a wide array of popular, third-party apps and content and popular group exercise packages and Keiser apps.

Studio Display

The Studio Display is perfect for the studio owner who wants to offer connected group exercise with a narrower selection of health and fitness apps and training content.


13 THINGS TO LOOK FOR WHEN BUYING AN INDOOR GROUP CYCLING BIKE

The Biker's Dozen

Who exactly should an indoor group cycling bike be built for? It shouldn’t be built just for riders. Or gym owners. Or maintenance technicians. Rather, a truly great bike should be built for all three. But how can you tell? Download The Biker’s Dozen to find out.


PUSHING PAST INDUSTRY LIMITS

Keiser Cardio M Series Bike Pedal

With our game-changing bike pedal, Keiser has again revolutionized indoor cycling down to the last detail. New pedal features include:

  • Stronger bearings tested for static and dynamic loads
  • Cage integrated into pedal design, not just added on
  • Ramped barbs for secure and simple foot placement
  • Curvature eliminating pressure points on the rider’s foot

HUGE SAVINGS

Save over $19,000 on a Group Indoor Cycling Bundle

when you buy 20 or more M3i Indoor Bikes (model 5506).

Offer expires June 30, 2023.

Save over 30% on M3i Indoor Bikes

That’s $730 off per bike!

1 year FREE of The Ride Studio

Keiser’s on-demand indoor cycling classes for the studio.

Free on-site training for your team

Get all the essential tools your instructors need to lead classes your members will love.

THE RIDE STUDIO

VIRTUAL INDOOR CYCLING CLASSES FOR THE STUDIO

Run classes whenever you like — whether you have an instructor or not.

Deliver a World-class Member Experience

Run classes around the clock

Automate Class Scheduling

THE RIDE BY KEISER

Discover the M3i's favorite workouts

Get to know The Ride — inspiring indoor cycling workouts designed to help you feel amazing! Stream inspiring classes from around the world. Anywhere, anytime.


This group of high-end studios promises a best-in-class ride.

See how the game-changing Keiser M3i has delivered that promise.


“Very Good Design and Performance Built with High Quality Components”

4.8Average rating 5 1673

1673 Reviews

Verified Purchase

JJ , Morgan Hill, CA
Gym level cycling performance and reliability in my den. Attention to detail was obvious from the beginning from reviewing the key components prior to assembly and clear instructions. A minor problem with the computer was quickly resolved with a single call to tech support.
Read More Reviews

Specifications

 Height
49" / 1245 mm
Width
26" / 661 mm
Depth
51" / 1296 mm
Weight
92 lbs / 42 kg    

Features

  • V-shaped frame to accommodate riders of all body shapes and sizes
  • Magnetic resistance for a smooth and quiet workout
  • Infinite incremental resistance changes
  • Rear-wheel design for protection from sweat and corrosion
  • Transport wheels for ease of transport
  • Revolutionary re-designed Keiser Bike Pedal
  • Self-tensioning, zero maintenance Poly-V® Belt Drive for low maintenance and reliability
  • Intuitive, simple to read console displaying cadence, power, Kcals, heart rate, ride time, odometer, trip distance, and gear, all on one screen
  • Keiser Integrated Technology: advanced connectivity for the gym and your home
  • EN957-10 certification for power accuracy, safety and environmental friendliness
  • Robust adjustment knobs that require less maintenance than cam-locks
  • Four-way adjustable seat
  • Four-way adjustable handlebars
  • Media tray, stretch pads, water bottle holder
  • Keiser education and certifications available

Frequently asked questions

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What is the difference between the Keiser M3 and M3i?

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What is the price of the M3i?

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Is this the latest model?

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Which heart rate monitors are compatible with Keiser M Series bikes?

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How does Bluetooth® wireless technology work on the Keiser M3i?

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What is the warranty for the M3i?

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Why are the Keiser M3/M3i bikes designed with a light flywheel?

KEISER MOBILE SHOWROOM

We'll bring the power of Keiser to you

Demo up to 7 Machines in 60 minutes – at your facility.

We'll bring a Mobile Showroom to you to “Demo the Keiser Difference” – in the convenience of your own facility. In just one hour, you and your team can try out as many as seven Keiser machines, including resistance, functional cable, and cardio.

Components

Paint / upholstery

Keiser offers numerous options to customize your equipment. With upholstery color and frame painting options you can finally get the machine that suits your facilities needs or personal tastes. Lead time is required for most custom orders. Please contact us for more information.

Paint / upholstery

Keiser offers numerous options to customize your equipment. With upholstery color and frame painting options you can finally get the machine that suits your facilities needs or personal tastes. Lead time is required for most custom orders. Please contact us for more information.

Accessories - Standard

Stretch Pads

Stretch pads provide a convenient place for a pre and post-ride stretching and are standard on the M3i and M5i.

Stretch Pads

Stretch pads provide a convenient place for a pre and post-ride stretching and are standard on the M3i and M5i.

Media Tray

Media tray provides a convenient spot for reading material or personal electronics and is standard on the Keiser M3i Indoor Bike and the M5i Elliptical Strider.

Media Tray

Media tray provides a convenient spot for reading material or personal electronics and is standard on the Keiser M3i Indoor Bike and the M5i Elliptical Strider.

Keiser M Series App

Easily track and record your rides with real-time graphs for power and cadence range dials. More advanced users can add on the ability to test and track functional threshold power (FTP) directly within the app. The Keiser M Series Cycling app is available for Apple® or Android™ devices via the App Store® or Google Play™.

Keiser M Series App

Easily track and record your rides with real-time graphs for power and cadence range dials. More advanced users can add on the ability to test and track functional threshold power (FTP) directly within the app. The Keiser M Series Cycling app is available for Apple® or Android™ devices via the App Store® or Google Play™.

Keiser M Series Group App

With the Keiser M Series Group app, featuring functional threshold power (FTP) training, indoor cycling instructors can enhance their teaching capabilities to easily transform classes into fun and fiery competitions that inspire riders and keep them coming back for more.

Keiser M Series Group App

With the Keiser M Series Group app, featuring functional threshold power (FTP) training, indoor cycling instructors can enhance their teaching capabilities to easily transform classes into fun and fiery competitions that inspire riders and keep them coming back for more.

M Series Instructor App

With the M Series Instructor app, instructors can view all the Keiser M3i bikes, M5i Strider Ellipticals, and M3i Total Body Trainers in a group class in a single list, with options to sort live data in a simple scrolling view.

M Series Instructor App

With the M Series Instructor app, instructors can view all the Keiser M3i bikes, M5i Strider Ellipticals, and M3i Total Body Trainers in a group class in a single list, with options to sort live data in a simple scrolling view.

M Connect Display

This new display has been enhanced with the technology of our M Series Converter. Connect seamlessly to your favorite apps right out of the box. 

M Connect Display

This new display has been enhanced with the technology of our M Series Converter. Connect seamlessly to your favorite apps right out of the box. 

Floor Mat

Put the floor mat right under your Keiser M Series Cardio machine and protect your floor from sweat! Measures 65" x 32". 

Floor Mat

Put the floor mat right under your Keiser M Series Cardio machine and protect your floor from sweat! Measures 65" x 32". 

Accessories - Optional

Gel Seat Cover

Order a gel seat cover and add some comfort to your ride! Installs in seconds and fits our saddle or any other "narrow" saddle.

Gel Seat Cover

Order a gel seat cover and add some comfort to your ride! Installs in seconds and fits our saddle or any other "narrow" saddle.

Dumbbell Holder

Add an upper body workout to your ride. The optional Keiser M3/M3i Dumbbell Holder is designed to hold two hand weights, weighing up to 5 pounds apiece, and installs easily in minutes (dumbbells not included).

Dumbbell Holder

Add an upper body workout to your ride. The optional Keiser M3/M3i Dumbbell Holder is designed to hold two hand weights, weighing up to 5 pounds apiece, and installs easily in minutes (dumbbells not included).

Polar H9 Heart Rate Monitor

Reach your fitness goals by monitoring your heart rate with the Polar heart rate monitor! Transmits your heart rate data wirelessly to any M Series Cardio machine. 

Polar H9 Heart Rate Monitor

Reach your fitness goals by monitoring your heart rate with the Polar heart rate monitor! Transmits your heart rate data wirelessly to any M Series Cardio machine. 

Talk to a sales rep today

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Live Equipment Demo

I’d like a live equipment demo at my location

Request a visit from a Keiser Mobile Showroom and your Keiser Sales Rep can have you and your team try out as many as seven Keiser machines, including Strength, Functional and Cardio. Currently available only in the US and Canada for Commercial Inquiries.

Strength Training

AIR Series Resistance Machines

Introduce precision to your strength training. Featuring Keiser Air Pneumatic Resistance Technology, our resistance machines deliver smooth, optimal resistance throughout the range of motion at any speed, enabling everyone from new gym members to pro athletes to train with greater safety, effectiveness and efficiency.

Strength Training

Keiser Racks

Featuring air pneumatic resistance strength columns that can be attached to a bar, Keiser Racks deliver a smooth resistance that can be used alone or in conjunction with free weights, allowing for a wide array of strength exercises.

Strength Training

Stretch Corner

With a footprint of only 24 square feet (2.2 meters), the Keiser Stretch Corner is capable of accommodating a wide array of stretches while occupying minimal floor space, allowing you to regain square footage inside your facility.

Cardio Training

M Series Cardio

Featuring magnetic-resistance technology, our groundbreaking M Series Indoor Bikes, M5i Strider Ellipticals and M3i Total Body Trainers feature Bluetooth® technology and continue to lead innovation among the cardio equipment industry.

IS YOUR ORGANIZATION LOCATED IN:

Please select one of the following options

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Your Keiser representative


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To contact Keiser's service department please fill out the fields below. 

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Notify me of Keiser Corporation news, events and offers.

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