Tags: fluid trainer, mag trainer, magnetic trainer, What Is The Difference Between A Mag Trainer And A Fluid Trainer?
What is the difference between a mag trainer and a fluid trainer?
Lets start this out by looking at mag trainers (also called magnetic trainers). Pretty much what happens is you setup your bike on the magnetic trainer and start pedaling. You will notice that the rear tire on your bike is moving along with the roller. A series of magnets provides the resistance as you pedal along. You can adjust the resistance of some mag trainers on the trainer itself while others have the option of adjusting the resistance via a remote handlebar shifter. The issue with magnetic trainers is their ability or lack of to provide resistance. This could be in direct relation to the number as well as the strength of the magnets. As with all other indoor bicycle trainers, the size of the flywheel plays a role in the trainer being able to provide a realistic road like feel. Some also say that magnetic trainers make too much noise. On a personal level, I see mag trainers as being affordable and providing adequate resistance for most riders.
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Fluid trainers are seen as the best that indoor bicycle trainers have to offer and you will hear no argument from me. You still setup your bike on the fluid trainer and start pedaling. The roller will move along with your tire and resistance is provided through an encased chamber which houses fluid. As a general statement; for the best in resistance, combined with the most realistic road like feel, while making the least amount of noise, go with a fluid trainer. You usually will find a flywheel and hub that goes directly into the fluid. Herein lies a problem. Either o-rings may leak or fluid can break down causing problems. You know what, rather than explain it myself, I'll leave it to an expert. I see the Kurt Kinetic Road Machine as being one of the best fluid trainers on the market.
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