M3i INDOOR BIKE

KEISER CARDIO M SERIES

More than 20 years ago, Keiser started to create an exercise bike that would surpass the requests of indoor group cycling: An indoor bike that fits riders with different body shapes and sizes; a bike that achieves a quiet — but true — road bike experience inside your gym or home; and the ONLY fixed bike built in the United States to ensure the strictest quality control. And we accomplished it all with the Simplest of Engineering Designs.

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KEISER INTERACTIVE CYCLING

It provides your rides and instruction with FTP training and more from Keiser’s indoor cycling apps and group class system.

M SERIES APP

With this free app, indoor group the riders can easily track and log every detail of their rides on Keiser M3i bikes to see their progress.

M SERIES GROUP APP

With this free App, indoor group cycling class instructors can fire a competition to inspire riders and keep them motivated.

M SERIES INSTRUCTOR APP

Instructors can view all the indoor bikes in a group cycling class in a single list, with options to order and view live data.

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COMPATIBLE INDIVIDUAL CYCLING APPS

The M3i matches a huge group of cycling apps which register the ride data by connecting to the bike via Bluetooth.

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INSTRUCTIONAL CYCLING APPS

The M3i can be used with apps that present the instruction cycling classes but without registering the ride data or connect to the bike via Bluetooth.

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COMPATIBLE GROUP PROJECTION SYSTEMS

In addition to our own company-designed projection system, the M3i is suitable for a big group of other major projection system providers.

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APP COMPATIBILITY THROUGH M SERIES CONVERTER

The M Series Converter attaches to the M3i media and enables in-home riders to connect to road cycling apps, including the Peloton Digital App.

Our Services

RIDER. OWNER. TECHNICIAN.

DESIGN AROUND YOU

The Keiser M3i is the only indoor group cycling bike built completely around YOU –So you are the rider, the gym owner and the service technician.

The game changing includes:

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V-shape framework to suit all riders

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It has a quiet, credible and low- conservation drive train.

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The technology of the magnetic-resistance is for usage repetition and reducing erosion

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The rear-wheel is designed to be protected from sweat and erosion.

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 Keiser Bike Pedal has been re-designed unbelievably.

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Using the Bluetooth to open API for tablets and smartphones

13 THINGS TO take in consideration while BUYING AN INDOOR GROUP CYCLING BIKE THE BIKER’S DOZEN

For whom exactly should the bike be built? It shouldn’t be built for riders, gym owners, maintenance technicians. Instead, a truly great bike should be built for all the three.

DOWNLOAD THE BIKER'S DOZEN

PUSHING PAST INDUSTRY LIMITS KEISER
M SERIES BIKE PEDAL

With our game-changing bike pedal, Keiser has again developed the indoor cycling. The new pedal advantages include:

It has an integrated pedal design.

Sloped bars for the foot safety.

Stronger bearings prepared for fixed and movable loads

It has a curvature to reduce foot pressure.

Fabulous experience

4.7

average rating for 288 reviews

full reviews

JOPARK , Melbourne Beach, FL

“Great bike. Easy to assemble. Wonderful ride.“

Glen , Hood River, OR

“quality build-well worth the  investment.“

JENNIFER , Columbus , OH

“whisper quiet- great machine.“

features 

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Bluetooth® Wireless Technology

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Automatic backlit digital display

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V-shape frame and handlebar combo to accommodate all riders

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The rust-resistant design includes stainless steel hardware and rear flywheel

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Revolutionary re-designed Keiser Bike Pedal

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Quiet, low-maintenance magnetic-resistance belt-drive system

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Magnetic resistance delivers road-bike experience and ensures a smooth ride

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Lightweight and superior ease of transport

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With more than 300,000 M Series bikes sold, there’s no more proven bike worldwide

specifications

 

Height 49″ / 1245 mm
 Width 26″ / 661 mm
Length 51″ / 1296 mm
Weight 92 lbs / 42 kg

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.

 

accessories – standard

STRETCH PADS

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

MEDIA TRAY

Media Tray provides a convenient spot for reading the material or personal electronics and is standard on the M3i and M5i.

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 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.

 

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.

accessories – optional

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. 

M3i TOOL KIT

Add the M Series Assembly & Maintenance kit to your order and get riding on day one. You’ll receive everything you need to assemble and maintain your new bike, including the torque wrench and crowfoot wrenches. 

CONVERTER

For Home Use Only: Your M Series bike purchase allows you to virtually take your indoor cycling workouts to the road with the M Series Converter. Connect your Keiser M3i to more of your favorite applications like Zwift and Sufferfest for the ultimate road-bike experience.

 

FAQ’s

What are the differences between the Keiser M3, M3i, M3X and M3iX indoor bikes?

The Keiser M3 is the standard example of our magnetic-resistance indoor bike and provides a  four-way seat adjustment and a vertical handlebar adjustment. The M3i bike includes Bluetooth and adds a backward and forward handlebar adjustment. The M3X bike has the pivoting X-Bars which simulate mountain biking or hill climbing vs. the road-bike experience delivered by the M3 and M3i

Can the user train heart rate on Keiser M Series indoor bikes?

Sure

WHICH HEART RATE MONITORS ARE SUITABLE FOR KEISER M SERIES INDOOR BIKES?

There are several available smartphone apps suitable for the M3i and M3iX, including Keiser M Series (iOS and Android) Keiser M Series Pro (iOS and Android), Goind (iOS), Ride Buddy Buckets (iOS), Impowered. be tested (Android) and Impowered. be trained (Android). The free Keiser M Series app allows you to track all your data session by session and export your data to TCX files for import into most popular training software. The Keiser M Series Pro app includes the ability to perform FTP tests.

HOW DOES THE BLUETOOTH WORK ON THE KEISER M3I AND M3IX INDOOR BIKES?

 Polar brand monitors, specifically the Polar® H1 and T31 WearLink® models.

DOES KEISER M SERIES INDOOR BIKE HAVE DIFFERENT COMMERCIAL AND RESIDENTIAL VERSIONS?

No, whether you are a home user or a commercial gym, you will have the same high quality

Are there used Keiser M Series indoor bikes available?

Yes, sometimes.  You can contact the specialist at

Can I finance exercise tools for my home?

Yes ! You can during the checkout process through Affirm; there are many ways of payment.

What guarantee do you provide?

Full guarantee coverage is provided

What are "kcals"?

Kcals, or kilocalories, are the same as food calories.

What if my bike is damaged during shipping?

Your guarantee covers shipping damage.

What are the options to buy the bike outside the US?

Keiser has an international sales team to help our customers overseas, just call us at 1-800-888-7009. Please note that if a bike is purchased and exported from North America it will void the guarantee.

How can I check the status of the order if I placed my place?

By calling 1-800-888-7009 during normal business hours with your order ID.

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

Groom + Style explain the reasons behind that engineering decision in their article: “Spin Bike Flywheel Weight – Is a Heavier Flywheel Better On an Exercise Bike?“

Does the M3i have a media holder?

Yes.