MODEL 5508
M3i STUDIO INDOOR BIKE
Color-coded zone training
Part of the M Series Ecosystem
See where you are
in each zone.
See whether you’re just barely above the
bottom, near the top, or somewhere in the
middle of your zone.
Get the visual feedback may drive athlete intent
for a better workout performance.
It’s an easy, intuitive, and engaging way to
monitor FTP and HR training zones.
Track intensity Four ways.
Switch between modes during your ride for a three-dimensional ride experience.
Speed
You can always access speed mode to track exercise intensity by speed (MPH or KM/H).
FTP Zones — 5, 6, or 7
Enter your FTP for Ride by Color™ FTP zone display. Choose five-, six-, or seven-zone option.
HR Zones
Enter your HRMax and pair a heart-rate monitor with the display for Ride by Color™ HR% display.
Mets
Now cardiac patients — and anyone else — can use METs to track exercise intensity on an indoor bike.
More Major upgrades
Enter your info to get personalized metrics and new ways to track intensity.
Keiser’s pedal-powered generator and super capacitor provide continuous power.
The Studio Display is 86% larger screen area than Keiser’s M Connect Display.
More gears make it easy to find the perfect resistance level.
Connects to apps and devices via ANT+™ and Bluetooth® CSCS, CPS, and FTMS.
Find your bike on projections and when pairing with prominent, on-screen bike ID number.
Guided Tour Video
See how it works Studio Display
Learn how the Studio Display can help you get a better workout.
Compatible with more health
and fitness apps
The Studio display can send your cadence,
speed, power, and heart rate data to third-party
health and fitness apps. It syncs with devices
using ANT+ and Bluetooth® CSCS, CPS, and
FTMS.
Connects with more heart rate monitors
with Bluetooth® and ANT+.
Compatible with all major projection systems
The display can send rider data to leading
projection systems — including Keiser M Group
App. But while connected to a projection system, it can also share data with apps on a user's smartphone or tablet at the same time.
Easy leasing available.
part of
The M Series Ecosystem
Enter a seamless ecosystem of engineering, technology, and content.
Ride by Color™ display built into the M3i Studio and M3i Studio Plus indoor bikes.
Turn data from the M Connect Display into a real-time, Ride by Color™ display. Also compatible with the Studio Display.
Lead Ride by Color™ classes using FTP- and HR-based methodologies.
Use Ride by Color™ workouts with world-renowned instructors on-demand at home.
Hold indoor cycling classes anytime with Ride by Color™, on-demand class content for studios.
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M3i STUDIO INDOOR BIKE
Engineered to perform.
Built to last.
Innovative engineering. Solidly reliable. And simply, a better ride.
Proven Durability. Lowest Cost of Ownership over time.
Made in USA with domestic and globally sourced material.
Features
Specifications
V-shaped frame to accommodate riders of all body shapes and sizes from 5’ to 6’2” tall.
Magnetic resistance for a smooth and quiet workout.
Infinite incremental resistance changes.
Rear-wheel design for protection from sweat and corrosion.
M Series Pedal designed to meet the needs of group indoor cycling demands.
Self-tensioning Poly-V® belt drive for low maintenance and reliability.
Robust adjustment knobs that require less maintenance than cam-locks.
Four-way adjustable seat.
Two-way adjustable handlebars.
Media tray, stretch pads, water bottle holder.
Transport wheels for ease of transport.
Height
44" / 1118 mm
Width
26" / 661 mm
Depth
51" / 1296 mm
Weight
87 lbs / 40 kg
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V-Shaped Frame
Matches riders from 5' to 6’2"
(1524 mm to 1880 mm) tall with a weight capacity of 350 pounds (159 kg).
Road-bike frames vary to fit riders of different sizes.
Keiser’s v-shaped frame mimics the sizing of different road-bike frames.
The M3i Indoor Bike's seat and handlebars adjust for legs, torsos, and arms of different sizes.
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Rear-Flywheel Design
More reliable. Better protected.
Sweat can lead to corrosion, additional maintenance, and shorter bike life.
Keiser moved vulnerable mechanisms out of the “sweat zone”
By moving the flywheel to the rear, Keiser moved the bike’s drivetrain and other vulnerable parts out of the rider’s “sweat zone.”
- Reduces the need for more maintenance.
- Protects against corrosion.
- Extends the life of the bike.
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Poly-v Belt Drivetrain
A quiet, smooth, experience
— and no maintenance.
The Poly-V belt is perfect for transmitting high loads over very small pulleys.
designed for magnetic resistance.
We designed the industry's first indoor bike with magnetic resistance and we designed a drivetrain to go with it. Then, we added it to our elliptical.
The key to the M5 Series drivetrain is its single Poly-V belt. It transmits high loads over very small pulleys. This enables M5 Series ellipticals to achieve a smooth and quiet experience.
Poly-V Belt
The choice of automotive manufacturers
The Poly-V belt is the preferred choice of automotive manufacturers. They use it to run the accessories on the front of car engines because it’s so quiet, durable, and reliable.
No required maintenance, zero adjustments
- Pre-tension design requires zero adjustment.
- Drive-train requires no maintenance other than routine inspection.
Avoids the problems of many indoor cardio equipment designs
- No complex, multi-belt drivetrain.
- No unnecessary noise and vibration of a cog belt.
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Curved crank arms to fit every rider
We curved the crank arms on our indoor bikes to fit a wider variety of riders and their workout shoes.
M Series Pedal
Tested for over 30 million cycles
at 290 lbs and 120 RPMs
Built to withstand demands of group cycling
- Stronger bearings tested for static and dynamic loads experienced when rider gets on, off, and rides the bike.
- Forged chromoly steel axle heat-treated for maximum strength.
- Standard workout shoes or cycling shoes with SPD cleats.
Guided Tour
The M Series Pedal
See how every detail is engineered to exceed industry standards. The result is not just a more user-friendly pedal. It's also a more durable commercial-grade pedal.
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Easy to transport
With fewer parts, a lighter flywheel, and precise weight distribution, M3 Series bikes are very ease to move. And their small footprint makes them easy to place and store.
M3i STUDIO INDOOR BIKE
Quick, Easy, and Convenient By Design.
Large, easy-turn height adjustment: Oversized knobs are easy to loosen and retighten. Pin plunger design is simple to operate, secure, and require less maintenance that cam-locks.
Quick, intuitive horizontal adjustments of seat, in addition to vertical.
Stretch pads: Facilitate pre- and post-ride stretching.
Simplified maintenance: M Series drivetrain can be accessed by removing only eight screws versus over three times more on some competitors’ bikes.
Water bottle holder: Fits both large and small water bottle sizes.
Easy-access shifter: Handlebar-mounted design is easier and safer to operate — especially when riding out of the saddle. And the lever design is more intuitive and easier to operate than many knob-based designs.
Standard media tray: Removable media tray holds mobile phones and tablets.
Questions? Ask a rep.
Our nationwide team has a Keiser representative near you.
Get pricing
Request a price quote.
Ask about financing options
Easy business leasing available. Learn about attractive options that may be available to you.
Try our equipment
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Consult our cardio experts
Our market sector specialists understand your needs and have the answers for your questions.
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