Keiser M3i Indoor Cycling Bike

Keiser M3i Indoor Cycling Bike Review | Great Spinner

The Keiser M3i indoor cycle is a gym-quality spin bike that you can use at home to enjoy professional-quality exercise at the comfort of your own place. It is one of the best indoor cycling bikes available in the market. It provides more than a few extraordinary features to make your cardio boosting exercise regimen even more effective.

In this article, we have discussed the most prominent features of this indoor cycling bike so that it’s easier for you to know about them in detail and understand them before making your purchase.

So, without delay, let’s dig in.

Overview of Keiser M3i Indoor Studio Exercise Cycle

Top Features

V-shape frame, extended weight capacity, enhanced Bluetooth connectivity, backlit LCD Console, compatible with different fitness apps, 24 levels of magnetic resistance, adjustable seat post, and handlebars, SPD combo pedals, wireless heart rate monitor.


Ensures a real bike riding feel, easy to assemble, provides a nearly noiseless operation, strong, durable construction, virtually maintenance-free, integrated media rack, padded, non-slip handlebars, suitable for a wide range of riders, provides versatile workouts


Doesn't comes with assembly tools.

Things to Know

The frame of this M3i indoor spin bike arrives partially assembled, which means that you just have to attach a few components here and there to get it running.

In addition to indoor cycling bikes, Keiser also manufactures other exercise tools, including elliptical, total body trainer, recumbent bikes, upright bikes, and other stationary exercise machines.

Feature Details of Keiser M3i Indoor Spin BIke

Industry-leading V-shape Frame

The feature that sets this M3i apart from other indoor bikes is its V-shaped frame. The first in the industry, this V-shaped frame, not only gives the bike a very slim, sexy outlook but at the same time, it also ensures better riding conveniences to the riders.

Keiser indoor bike frame

This extraordinary bike frame allows the seat and handlebars to be raised in conjunction to accommodate riders of all sizes effortlessly. Riders from 4’10”–7’ of height can fit in this bike effectively to enjoy its convenience and get fit and healthy.

Furthermore, this unconventional shape is extra convenient and makes it super easy for riders to get out of the bike without much effort.

This adjustment, along with the V-shape frame, allows this indoor bike to provide a real-life riding experience without even leaving your home.

Strong, Sturdy Construction

When you buy an expensive stationary exercise tool, you expect it to last for a lifetime. And knowing this mindset of the customers, Keiser constructed the V frame of this M3i indoor cycling bike using heavy-duty steel material so that it’s not only strong, sturdy, and durable but at the same time it also provides phenomenal support and stability to the riders.

Even though the V-frame looks sleek and slim, the steel construction ensures reliability and make sure that you won’t fall off the bike even during rigorous riding sessions.

In addition to the strong steel construction, Keiser also painted this bike with durable paint to make sure that it is rust, to corrosion, chipping, and scratching. This paint finish also adds to the durability of the equipment.

Moreover, even though this bike frame is made with premium quality steel material, it is not heavyweight. At about 85 lbs. of body weight and integrated transportation wheels, this bike can be moved around easily for an efficient relocation.

Extended Weight Capacity

Durability and stability are not the only things that this amazing V frame offers to its users; even though this frame is lightweight itself, it comes with an extended weight capacity of 300 lbs. to make sure that riders with every body type, from slim to obese, can accommodate in this bike effortlessly for a healthier tomorrow.

Also, because of its extended weight capacity and versatile height limit, it is one of the most suitable spin  bikes for the family use.

Enhanced Bluetooth Connectivity

Keiser never fails to impress its customers, and this M3i indoor cycle is no different. Keeping in mind about the needs of its riders, this amazing bike incorporates an enhanced Bluetooth connectivity so that it is not only digitalized but at the same time also provides maximum convenience to its users.

Keiser Bluetooth Connectivity

This wireless connectivity system, along with the integrated media tray enables you to connect this piece of exercise equipment with your smartphone or tab so that you can enjoy different entertainment features and get connected to various fitness apps as well.

To make the most of your workout and enjoy yourself during the riding session, you can connect your smartphone and listen to your favorite music to keep yourself highly motivated and less bored.

Similarly, you can also use this connectivity navigate through your favorite fitness apps like Keiser M3 Series Pro apps, Explore the World, Bkool, GOInd, mpowered, BeTested and more, and sync your regular workout data with them so that you can store all your workout data for letter viewing and set, track and monitor progress for a better exercise experience.

Wide Range of Resistance

The type and number of resistance in a stationary exercise bike is important because it determines how intensely you can train on the cycle and tone of your body.

The resistance mechanism of this bike is phenomenal. It comes with a wide range of magnetic resistance levels to make it suitable for every type of rider.

Keiser Magnetic Resistance

From the 24 different levels of tension (1 being the lowest and 24 being the highest), you have the freedom to choose just the right level of intensity according to your fitness level and riding vibe.

Additionally, as this piece of exercise equipment includes such a wide range of workout intensity, you can always mix and match the tension and enjoy a customized workout session for more efficiency.

Another great aspect of this resistance mechanism is that it is digitally controlled. Keiser incorporated its controls in the integrated LCD console so that choosing the preferred tension level never felt easier.

Adjustable Seat Post

The greatest thing about this Keiser indoor spin bike is that it is suitable for all types of riders out there. And to make it convenient for everyone, it comes with an adjustable seat post so that riders from 4’10”–7" of height can effortlessly fit in this tool.

Keeping in mind the requirements of different heights people, this exercise equipment comes with a seat post that can be adjusted vertically and horizontally to fit them perfectly and provide them the opportunity to ride and shed calories for a better tomorrow.

Keiser included 2 adjustments knobs around the seat post so that you can move the seat it up/down and forward/backward as much as you want to find just the right sitting position for you according to your height.

Aside from the adjustability, another aspect of this seat post that would blow your mind is its comfort level. This seat post comes with adequate cushioning and padding, especially at the back, to make sure that your back and buttock don’t hurt or feel any discomfort during the workout session.

Convenient, Comfortable Handlebars

Besides the seat post, the handlebars of this indoor cycling bike are also adjustable to ensure a custom fit and provide maximum comfort. These handlebars can be moved in two positions swiftly to find the right fit and ride your bike with utmost ease and comfort.

Keiser Comfortable Handlebars

Additionally, these ergonomically designed handlebars are also well-padded so that your hands don’t hurt while exercising for longer hours.

Another aspect of these handlebars worth talking about is its multi-grip feature. The multi-grip feature offers you to hold the bars anywhere you want and enjoy different riding poses to reposition your hands during the riding constantly.

Heart Rate Monitor System

In addition to providing adjustable and comfortable hand positioning, the handlebars of this stationary bike also help you to monitor your heart rate. They incorporate hand pulse sensors that enable you to measure your heart rate during the workout to know how your body reacts to the particular exercise.

Keiser Heart Rate Monitor System

LCD Display

An LCD monitor is not a decorative item for an indoor cycling bike; it provides so much convenience that would surely surprise you. Promising to provide the best to its users, Keiser incorporated an LCD screen to this m3i indoor cycle so that they don’t fall behind their competitors anytime soon.

Keiser LCD Display

From the time, speed, RPM, calories burned, and heart rate, this compact yet amazing LCD screen can monitor and keep track of your several workout data so that you know how well you are doing and how far along you are from achieving your dream fitness goal.

The most interesting aspect of this minicomputer is that it is battery-operated; you won’t need to place this piece of exercise equipment near any power source or electric socket. Moreover, as it shuts down automatically after a few minutes of inactivity, it is energy-saving and environment-friendly.

PROS & CONS of M3i Spin Bike

What We Like

  • No electric outlet required; saves a lot of power
  • Strong, sturdy steel V shape construction ensures durability and stability
  • Incorporates enhanced Bluetooth connectivity for additional convenience
  • With 49″ x 26″ small footprint, the tool doesn’t take a lot of your floor space
  • Ergonomically designed, padded handlebars provide a strong yet comfortable grip

What We Don't Like

  • It does not come with any assembly tools

Keiser M3i Indoor Spin Bike Specs


Indoor Cycling Bike

Console Display

Backlit LCD Monitor

Resistance Type

Eddy current Magnetic Resistance


Infinite incremental resistance

Seat Type

Padded, Adjustable Seat Saddle



Weight Capacity

350 Pounds


51" L x 26" W x 49" H

Keiser M3i Spin Bike Assembly

Frequently Asked Question and Answers

Question: What kind and how many batteries do you need to operate this m3i Indoor Cycling Bike?

Answer: This M3i cycle requires 2 AA batteries for its LCD screen to operate it perfectly. The batteries last for quite a long time on this bike due to its back-lit sensor.

Question: Is the Keiser indoor bike compatible with Zwift?

Answer: Unfortunately, no. This amazing bike is not compatible with Zwift. It transmits only on BLE.

Question: Does this M3i indoor bike require regular maintenance?

Answer: Fortunately for its riders, this exercise equipment is virtually maintenance-free and doesn’t require any rigorous care for smooth ridings.

Buying Advice

There is no doubt that you know everything you should know about this Keiser indoor spin bike by now. However, if you are still skeptical and think there are other things you should know before making the final call, you are right.

This amazing bike comes with the EN ISO 20957-1 certification offered by a European Safety Organization to ensure that you will get accurate feedback related to the workout in your LCD. This increases the value of your indoor bike and makes sure your workout data are 100% correct.

Wrapping Up

If you have the flexibility of budget and are determined to buy the best indoor cycling bike in the market, this Keiser M3i indoor spin bike is just the right one. Loaded with extraordinary features and coming with an International Certification, this piece of exercise equipment is nothing less than a professional indoor bike.

We can assure you that you won’t be disappointed after buying this bike; it provides excellent value.

Keiser M3i Spin Bike

Keiser  Spin Bike


Indoor Cycling Bike

Console display

Backlit LCD Monitor


Eddy current Magnetic

Seat type

Padded, Adjustable Saddle


Magnetic Flywheel

Weight Capacity

350 Pounds


51" L x 26" W x 49" H

About the Author Zachary Anderson

Hi, I am Zach who is behind I am a fitness geek. I love to ride bicycle regularly to be fit everyday. In winter when riding is impossible in cold then I love to workout at home using indoor exercise equipment. I also love to write in blog to share my knowledge in cycling & workout segment. I hope my articles will help you to be fit in any weather.Thanks!

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