8 Cardio Machines That Really Work

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8 Cardio Machines That Really Work

We've compiled a list of tried-and-trusted equipment.

The latest addition to Keiser’s M series, the M3 Plus features an innovative magnetic-resistance system that is nearly silent yet superdurable since no parts of the eddy current resistance system ever touch. A backlit computer screen displays metrics like repetitions per minute and watts, allowing you to track your fitness like a pro. Choose your favorite fore-aft position of the handlebars and adjust the seat in four ways to find the right fit for this high-quality, smooth-spinning bike.

Your Workouts Reviewed: Cycling Prep Routine


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