Keiser Fitness M3i Indoor Bike with Bluetooth
Made in the USA with domestically and globally sourced materials.
M Connect Display connects seamlessly to your favorite apps!
Commercial-grade warranty - Get the same warranty we offer gyms, professional sports teams and military!
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
Specifications
- HEIGHT
- 49" / 1245 mm
- WIDTH
- 26" / 661 mm
- DEPTH
- 51" / 1296 mm
- WEIGHT
- 92 lbs / 42 kg
NEW M CONNECT DISPLAY
Connected fitness, simplified
No additional setup or external devices required
The new M Connect Display can connect to devices, such as phones, tablets, and select wearables without additional setup or external devices.
The M Connect Display can share data, such as power, cadence, speed, and heart rate with a wide array of popular, third-party, health and fitness apps and on-demand training content as well as Keiser’s M Series apps on connected devices.
SIMPLE. FAST.
Assembly made easy
Your Keiser Fitness M3i Indoor Bike with Bluetooth is designed to be easy to assemble. And it ships with easy-to-follow instructions. Watch our online assembly guide video to see how easy it truly is.
THE BIKE THAT KEEPS RAISING THE BAR
The Keiser Fitness M3i Indoor Bike with Bluetooth 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.
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 Keiser Fitness M3i Indoor Bike with Bluetooth 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
THE M SERIES SADDLE
FIND YOUR COMFORT ZONE
The M3i comes with a saddle that provides a classic road bike experience for a wide variety of riders.
We designed our adjustable seat mount to fit all standard bike saddles. This gives you the option to add your choice of saddle for that truly perfect fit.
If all you want is a little more cushion, you can easily add a comfort seat cover to the saddle that comes with the Keiser Fitness M3i Indoor Bike with Bluetooth.
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
THE M SERIES PEDAL
WORKOUT SHOES OR SPD CLEATS
Use your favorite standard workout shoes with the built-in toe clip straps on the M3i. Or, flip the pedal over to use your favorite cycling shoes with popular SPD cleats. To use another cleat style, simply replace the pedals with your choice of standard bike pedals (9/16" x 20 TPI) that accept your desired cleat.
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
THE RIDE BY KEISER
Discover the Keiser Fitness M3i Indoor Bike with Bluetoothi'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.
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.
Keiser is taking indoor cycling to the next level
ENHANCE YOUR RIDES & INSTRUCTION WITH FTP TRAINING AND MORE FROM KEISER’S INDOOR CYCLING APPS AND GROUP CLASS SYSTEM
M Series App
With the free Keiser M Series App, indoor group cycling riders can easily track and log every detail of their rides on Keiser M3i Bikes to see their progress.
M Series Group App
With the free Keiser M Series Group App, indoor group cycling class instructors can ignite competition to inspire riders and keep them coming back for more.
M Series Instructor App
Instructors can view all the Keiser M3i Indoor Bikes in a group cycling class in a single list, with options to sort and view live data.
Compatible individual cycling apps
The Keiser Fitness M3i Indoor Bike with Bluetooth is compatible with a wide array of cycling apps that log ride data by connecting to the bike via Bluetooth®, including the list below.
Instructional cycling apps
The M3i can be used with apps that broadcast instructional cycling classes but do not log ride data or connect to the bike via Bluetooth, including the list below.
Compatible group projection systems
In addition to our own company-designed projection system, the M3i is compatible with a wide array of other major projection system providers, including the list below.
THE M3i FITS RIDERS
FROM 4'10" TO 7' UP TO 350 POUNDS
The V-shaped frame allows the seat and handlebars to be adjusted for adult riders of almost any size. Horizontal adjustments provide further ability to get a perfect ï¬t for any rider
"MY SON IS 6'10’ AND A COLLEGE ATHLETE SO WE NEEDED A DURABLE BIKE THAT WOULD ADJUST TO FIT HIS HEIGHT. THIS BIKE WAS PERFECT. I LOVE THAT WE CAN EASILY ADJUST BOTH THE SEAT AND HANDLE BARS TO GIVE EVERYONE IN OUR FAMILY A PERFECT FIT. "
Nancy Kreiner | Okoboji, IA
DESIGNED AROUND YOU
The Keiser Fitness M3i Indoor Bike with Bluetooth 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 accommodate all riders
- Rear-wheel design for protection from sweat and corrosion
- Magnetic-resistance technology for greater repeatability and reduced wear
- Quiet, reliable and low-maintenance single-belt drive train
- Revolutionary re-designed Keiser Bike Pedal
- Bluetooth® wireless signal for open API for tablets and smartphones
ALL THE DATA YOU NEED ON A SINGLE SCREEN
We designed the M3/M3i Indoor Bike computer to be simple, with everything a rider needs to know on a single screen. This includes RPM (Revolutions Per Minute), Power and Energy (Watts and Kilocalories), Heart Rate, Elapsed Time, Gear and Trip Distance. Additionally, the back-lit display turns on when the room light drops below a set level and – unlike other indoor bikes – remains on.
SIMPLE. FAST. ASSEMBLY MADE EASY
Your M3i Indoor Bike is designed to be easy to assemble. And it ships with easy-to-follow instructions. Watch our online assembly guide video to see how easy it truly is.
"VERY EASY TO ASSEMBLE"
Leila | Hollywood, FL
"I AM MOST CERTAINLY NOT HANDY, BUT IN NO TIME, I WAS RIDING ON THE BIKE"
Steve | Raymond, ME
"LOVE LOVE LOVE! THE M3I WAS SO EASY TO PUT TOGETHER. THANK YOU."
Chris | Lincoln, NE
Frequently Asked Question
What is the difference between the Keiser M3 and M3i?
Keiser M3i Indoor Cycle with Bluetooth Computer
Features
| Resistance System | Eddy Current Magnetic Resistance System |
|---|
| Seat Adjustment | Four-Way Adjustable Seat |
|---|
| Transport | Wheels on base of frame for easy transport |
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| Water Bottle Holder | Yes |
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Computer
| Display | Backlit |
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| Displays | RPM, Power Output in Watts (currently generating), Heart Rate (Polar Compatible), Pedaling Time, Gear (1-24 Gears), Odometer, Trip Distance |
|---|
| Wireless Technology | Bluetooth Wireless Technology |
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Technical Information:
| Height | 45 in. / 1143 mm |
|---|
| Width | 26 in. / 660.4 mm |
|---|
| Length | 49 in. / 1244.6 mm |
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| Weight | 85 lbs. / 38.56 kg |
|---|
Warranty
| Parts | 3 Years / 6 Month Wearable Parts |
|---|
3 Reviews Hide Reviews Show Reviews
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Keiser 3Mi
Extremely quiet and well made. Easy to assemble with good instructions. Could not be happier. So much so I own two of them - in primary residence and second home. I have ridden this and Peleton and this bike towers over Peleton at a better price.
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Excellent bike!
I am a cycle instructor at a local gym that has the Keiser bikes. I was excited to see that they were consistently rated at the top of ratings lists when I decided to shop for a bike for at home. My husband and I both love it. It is very high quality and sturdy. We have had these bikes at the gym where I work for over 8 years and have had very little maintenance needed. They are all still in service and function like new with 6 classes a week plus. My only complaint with the ones at the gym was the handle bar adjustment. The new version of the bike addresses that issue so that you can move them forward and back and not just up and down. Perfect! We cycle to various apps or just watch TV. We did not want a bike that had a fancy computer with a linked in subscription.This gives us the flexibility of not being tied to one company/app. It came with a HR strap which my husband uses, but it also connects flawlessly to my MyZone HR system that I use at the gym. Seat is comfortable without the gel cushion. It is adjustable. Bike is very quiet. Everything about it is top notch. Also, it wasn't that hard to assemble. I would pay for the delivery to bring it inside though. Very satisfied customer. Would highly recommend!
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Excellent bike!
Years of spinning, and this is the nicest bike I’ve been on. Smooth. Good app interface. Does not disappoint.
Videos Hide Videos Show Videos
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