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Add to SafariWhen comparing Keiser M3i vs Nautilus R616 Recumbent Bike, the Slant community recommends Nautilus R616 Recumbent Bike for most people. In the question“What are the best exercise bikes?” Nautilus R616 Recumbent Bike is ranked 1st while Keiser M3i is ranked 2nd. The most important reason people chose Nautilus R616 Recumbent Bike is:
You can create up to 4 user profiles on this bike. Each user can input their age, gender, weight, and height. All workout statistics are saved into their personalized accounts to make tracking of progress easy.
Specs
Question Ranking
Pros
Pro Easily adjustable to any size user
Seat and handlebars can be moved up, down, or horizontally to adjust them for your needs. Users from 4’0’’ to 6’5’’ have reported that they have no problem adjusting the bike for their comfort, with room to spare for taller or shorter people.
Pro Very quiet
The sound of heavy breathing during your workout will be louder than any noise that this bike makes.
Pro Great build quality
This bike is rust-resistant and made out of stainless steel. The flywheel is mounted on the rear to protect it from drops of sweat.
Pro High variety of resistance levels
The magnetic resistance on this bike offers 24 gears, giving you a lot of options for customizing the intensity of your workout.
Pro Requires very little maintenance
There’s no wear and tear on the magnets inside the flywheel and according to Keiser, the belt-drive requires no maintenance at all. You might have to tighten up a bolt or screw from time to time, but other than that, this bike doesn’t require any maintenance.
Pro The bike is very stable
The Keiser M3i weighs 140 lbs, which makes it stable. There won't be any wobbling while you are doing your exercise.
Pro Smooth performance
This bike uses magnetic resistance, which means there’s no friction between moving parts. This gives the bike a very smooth performance.
Pro Personalized user profiles save individual workout statistics
You can create up to 4 user profiles on this bike. Each user can input their age, gender, weight, and height. All workout statistics are saved into their personalized accounts to make tracking of progress easy.
Pro High variety of preset workout programs
The computer on this exercise bike offers 29 various preset workout programs. These include programs that test physical fitness levels and improvements, mountain rides, heart rate programs and much more.
Pro Wide range of resistance levels
There are 25 levels of resistance on this bike. Resistance can be increased by pressing buttons on the console. There are magnets inside the flywheel that are moved closer together when you’re pressing the button on the console.
Pro Dual LCD display system allows to watch videos and track your workout simultaneously
This exercise bike is equipped with two LCD monitors and a media shelf. Since you can cover one LCD display and still see the other one, you can watch videos on a smartphone or tablet while doing your workout and still keep track of time, distance and calories burned.
Pro Three speed fan keeps you cool during workouts
There is a fan at the bottom center of the console/monitor that blows air at your direction and cools you off during the workout.
Pro Bluetooth connectivity allows tracking your progress trough an app
You can download a fitness app like MyFitnessPal and transfer data from exercise bike to your smartphone via Bluetooth.
Cons
Con Not all assembly tools are included
To assemble this bike you’ll need a torque wrench, crowfoot, regular wrenches, and a screwdriver. If you do not own these tools, you’ll need to buy them or borrow from a friend.
Con No preset programs
The bike doesn't come with any preset workouts.
Con Does not integrate with most workout apps
The only app that works with the built-in Bluetooth is GoInd, which has been rated as a very poor app. If syncing your workout data with popular apps (such as Strava, HealthKit, etc) this is probably not the best option for you.
Con Handle grip heart rate monitor isn't 100% accurate
To get more precise results on your heart rate you need to buy a chest strap heart monitor for about $50 to $60.
