Challenger MMTMeet the Chisel Challenger MMT. The Challenger MMT is the definition of Multi Modality Training, as it combines the versatility of 9 exercise angles with a patented linear magnetic resistance system that provides strength based cardio workouts that challenge the total body without the need for belts, pulleys, cables, or flywheels, and provides an ultra smooth and durable drive system that requires little to no maintenance. The Challenger MMT has the
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