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With Computer Keiser M3 Indoor Cycle Stationary Indoor Trainer Exercise Bike
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With Computer Keiser M3 Indoor Cycle Stationary Indoor Trainer Exercise Bike
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With Computer Keiser M3 Indoor Cycle Stationary Indoor Trainer Exercise Bike
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Customer Review :
Once I tried it, I *had* to buy it... : With Computer Keiser M3 Indoor Cycle Stationary Indoor Trainer Exercise Bike
I purchased this indoor trainer to replace a bicycle mounted trainer. Three members of my household are avid cyclists and need to train through the winter months, so we end up with three bicycles cluttering the gym area waiting their turn to be mounted on the trainer. Our old trainer has a rather primitive form of resistance that isn't very smooth. You can feel variations in resistance while pedaling and it doesn't increase with speed exponentially (like real world cycling). We tried several indoor trainers that used heavy flywheels with mechanical braking pads, such as the Cycelops, and found the same issues. They were inconsistent in maintaining resistance, and did not increase exponentially with speed. They simply don't feel like cycling. I think you could expend some calories and get a decent leg workout with the heavy flywheel/braking type trainers, but it doesn't feel like cycling. In real world cycling the resistance goes up at a rate above the square of speed due to the exponential nature of power/speed, and wind resistance. The Keiser M3 uses a rare earth magnet to create Foucault currents (eddy currents) in the lighter weight flywheel. Those foucault currents create an opposing magnetic field that creates resistance/drag according to Lenz's law. The resistance increases exponentially, just like real world cycling! In other words a cadence of 100 isn't double the power of a cadence of 50, its over four times the power due to the exponential nature of foucault resistance. On the heavy flywheel/mechanical braking type trainers the reistance increases linearly, and then fades as the brake pads begin to get hotter. I tried hard to like training on the Cycleops machine because I really liked the computer that came with it, but just couldn't overlook the primitive resistance system. The Keiser is ultra quiet, easily the quietest I've ever experienced, and far quieter than a bicycle mounted in a trainer. It can be adjusted three ways (with a three letter/number system to help you repeat settings) and fits my 60" wife as well as my 70" son and myself. The computer give realistic feedback that will help you train more effectively. Its not quite as capable as the computer on the cycleops machines, but the cycleops machine (brake pad/heavy flywheel)is primitive compared to the Keiser's Foucault resistance. This is a superior design in most respects to other indoor trainers. I would enjoy the computer on the Cycelops, but gladly trade the lack of ride data storage in the Keiser to have the superior resistance system. Try this machine and you'll be very pleasantly surprised at its performance compared to real cycling. Don't worry about the 24 levels of resistance, that 24th level is so intense that you'll generate greater than 600 watts at a moderate cadence. Is that enough for you?
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