2 used & new from $1,795.00

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Keiser M3 Indoor Cycle Stationary Trainer Exercise Bike

by Keiser
4.5 out of 5 stars 76 customer reviews

Available from these sellers.
Platinum gray

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What's included See more details
  • Assembly of 1 customer-provided stationary exercise bike
  • Please allow an assembly window of 2 hours
  • Moving the bike to a new location is not included
How it works
  • Pro will contact you within 1 business day to schedule
  • Kick back and only pay when the job is done
  • Backed by Amazon's Happiness Guarantee
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Estimate: $38.99
Fulfilled By: L&P Development
99% positive ratings (636 reviews)
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  • Keiser M3 Indoor Cycle
  • Sophisticated indoor training cycle with eddy current resistance system
  • Offers infinitely adjustable resistance system for challenging workout
  • Smooth, whisper-quiet operation; 4-way adjustable seat
  • Computer tracks time, distance, calories, heart rate, and power output
  • Adjustable Shimano combo pedals; water bottle holder; 3-year warranty
1 new from $1,795.00 1 refurbished from $1,837.90

Product Description

The indoor cycling revolution begins now...as a result of over a decade of Keiser cycle development. The hallmark of M3 Indoor bikes is its durability. The M3 is made of corrosive resistant materials, has a non wearing resistance system, and is virtually maintenance free. The M3 is a true performance exercise cycle, with a focus on indoor cycling classes and cardiovascular conditioning. It is like no other cycle you have ever rode before; smooth ride, whisper quiet, easy to use and a host of other built in features designed with your clients, instructors, and facility in mind. The M3 also offers an optional computer that measures RPM, power output in watts, kilocalorie expenditure, heart rate (via wireless Polar monitor), trip time, gear (resistance), and trip distance. Experience a whole new way to cycle, the Keiser M3. Features: Simple installation Does not accept typical road bike crank arms Durable construction Compact footprint Portable Adjustable pedals Silent operation Wear-free use Maintenance-free design Quality-tested engineering Four-way adjustable seat Corrosion-resistant materials Ideal for commercial clubs and fitness facilities 6-month wearable parts warranty Fitness Magnetic resistance Seat: multi-directional adjustable

Product Details

  • Shipping Information: View shipping rates and policies
  • ASIN: B00RH6TF56
  • Average Customer Review: 4.5 out of 5 stars  See all reviews (76 customer reviews)
  • Amazon Best Sellers Rank: #84,610 in Sports & Outdoors (See Top 100 in Sports & Outdoors)
  • Product Warranty: For warranty information about this product, please click here

Customer Reviews

Top Customer Reviews

Color: Platinum gray
I frequently ride a bike outdoors during the summer, but in the winter when the weather is not as good I often go to the gym to ride the exercise bike. None of the indoor bikes I had ridden ever had the smooth feel of riding outdoors - until I tried the Keiser M3 at a health club. I loved it so much, I bought one for myself for home use (the first time I've ever bought home exercise equipment as an adult), and while I've only owned it now for a short time, it is fantastic. Due to the unique design, utilizing magnetic resistance, the feel is very similar to riding outdoors. It is very quiet and very smooth. So I can spin at a fairly rapid rate and still get my heart rate up. And, though I don't do this much, you can also crank up the resistance and make it as hard to peddle as you would like (it has about 24 "gears" so you can continually increase the resistance to virtually whatever level you would like - what is really happening of course is you are simply increasing the magnetic resistance). This is a first rate bike for anyone who is serious about biking and wants something to use indoors that feels like biking outdoors. It is great exercise and does not feel like the typical gym or spinning bikes.

It was easy to assemble even for someone like me, who views changing light bulbs as a modest maintenance task. In total, it probably took about 30 minutes to set up and required little more than a Philips head screw driver, an Allen (sp?) wrench (which I have for my outdoor bike), and either a pedal wrench (again I have one) or an adjustable wrench that would fit the pedals.

Lastly, I would recommend ordering via Amazon or Keiser directly since some of the small third party sellers do not deliver on time. I would not buy from Indoorcyclingstore.com, who appear to be either terribly managed or are dishonest; we initially placed an order through them and six weeks later we still did not have the bike, but they still had our money.
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Color: Platinum gray Verified Purchase
There are many positives about this spin bike and only one negative, so I'll start with the negative.


1. The Cost. For sure, this is an expensive peice of equipment and I can see why it would drive some people away, but I feel the need to tell you what you'll get for your money, which brings us to...


1. The Ride. It's remarkably smooth, quiet, and stable which were the three most important things to me. You can crank as hard as you want on this bike and it never feels...well, cheap, for lack of a better word.

As was mentioned by other reviews, it uses magnets for resistance. And apparently Lenz's Law, Focault Pendulums, Bernoulli's Principle, Pythagorim Theorem, whatever. I don't care. What I care about is that when you ride it, it's stupid quiet. You will breathe much more loudly than what the bike will make in terms of noise and so watching TV or movies is very easy. We don't have kids, but if you did, and you were worried about waking them up, don't. You might wake them up with your breathing, but the bike won't with it's action.

The other reason I like the magnets is the feel of the ride. With other spinners that use the friction plate to increase resistance, it feels like you're riding a bicycle with the brakes on. I don't like that. I like this one; it feels more like you're riding up a hill.

2. The Computer. If you are looking for an objective workout, this is a big deal. For one thing, the "gears" have a digital reading and your time is right in front of you so you can say to yourself "Self, I'm going to go at level 18 for 3 minutes and then drop down to level 15." Your power is also right there, along with calories.
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Color: Platinum gray
I've been doing quite a bit of research for which bike to buy for home use. I was initially interested in just getting what I have at the gym the Schwinn Evolution. In a store, I was almost sold on the Schwinn A.C. classic or sport, but the seat was very uncomfortable, and I while I loved the magnetic resistance, I wasn't quite convinced by the ride.

Then I found all of these fantastic reviews on the M3. I called around, but it turned out none of the stores that sell them in the area, had them on the floor as demo. Finally, one sales person admitted to me that even though he (and everyone else agreed) thinks it's a fantastic bike, they don't keep it on the floor because their margin of profit on them is much smaller than it is on other bikes.

I didn't want to invest without trying them out, so I called Keiser and found out who our local rep is. Sure enough, he had one we could try in his garage. This is the most amazing piece of engineering I've ever seen on a bike!!! This guy had been with Keiser for 18 years, and knew every detail of what's going on. Basically, they started developing this bike after years of taking losses because they conformed to the price standard in the market, and at that price, could only manufacture bikes that like every other bike, would break and need maintenance. The maintenance cost them too much money, and they got tired of it. Being a small independent company, they decided to do something about it, and the M3 was born. They are ruthless about their price policy of it, even if you buy 250 of those, the discounts are fairly minimal. On the other hand, these bikes require NO maintenance!!!

If you look at their 3 year warranty carefully, you'll see that labor is not included.
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