Elliptical Fly Wheel on the Front vs. Back

Elliptical machines come with many different features that can impact the quality of your workout. One of the most important features is the drive train or fly wheel. The drive train is the mechanism that controls the motion of an elliptical's foot pedals. A machine's performance can be effected by the location of the drive train, on the front or on the rear of the machine.

  1. Rear-Drive Machines

    • Rear-drive machines have a smooth elliptical motion.

      As the name implies, rear-drive machines house the flywheel on the back end of the unit. This allows the foot pedals to move in a true elliptical pattern that is a close approximation to jogging. It also it leaves room at the front of the machine for an optional incline ramp, which can make for a more intense workout. For these reasons, rear-drive machines are considered by many to be superior to front-drive machines.

    Front-Drive Machines

    • Front-drive elliptical machines should have articulating foot pedals.

      Front-drive machines house the flywheel at the front of the unit. This does not allow for an optional incline ramp, so the only way to increase the intensity of a workout is by increasing the resistance. Some newer front-drive models do a good job of approximating a true elliptical movement pattern, but the motion is often considered to be less smooth or stable than on rear-drive machines. On front-drive machines, articulating foot pedals are considered necessary in order to avoid foot numbness or even injury. Articulating pedals are not fixed, but rather move with the motion, allowing for natural foot positioning throughout.

    Primary Considerations When Choosing an Elliptical

    • Front-drive machines can take up less space.

      Rear-drive elliptical machines generally cost much more than even higher-end front-drive machines. However, in addition to the more natural motion and the ability to add an incline ramp, rear-drive machines are often more stable and can handle higher weight loads as well. This may make them worth the extra cost. Another big consideration is the space where you plan to put the machine. Many front-drive machines are more compact, with some even having a more square footprint. So if space is a concern, be sure to find out the total clearance length needed while the machine is in motion before you buy.

    Other Features to Consider

    • Be sure the stride length is long enough for your height.

      In addition to the placement of the flywheel, there are a few other important features to consider. The most important of these is the stride length, which is often fixed and not adjustable. While some inexpensive models only have a stride length of 14 or 16 inches, a stride length of at least 18 inches is recommended for most adults. Finally, you'll want to check that the motion is smooth regardless of whether the flywheel is located in the front or the rear. Heavier flywheels, found on more expensive machines, provide a smoother motion and the transition between resistance levels won't be jerky. The best way to determine which type of elliptical machine is best for you is to actually try out different brands and styles.