#7
Assault Fitness AirRunner
No motor. 30% more calories burned. Zero coasting allowed.
The Assault Fitness AirRunner burns 30% more calories than a motorized treadmill at the same perceived effort, because there's no belt doing work for you. Its slatted belt lasts 50% longer than traditional treadmill belts, as confirmed by CrossFit Games athletes who train on it. With a 400 lb user capacity and a 5-year frame warranty, it's the ultimate tool for interval training.
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