Here is a curved treadmill that helps you burn more calories than a motorized treadmill. The Vortex Strength Motorless Curved Speed Treadmill has an ergonomic handlebar and a 6-position intensity lever. It has a 63 x 19″ curved running surface for HIIT workouts.
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The Vortex Strength Curved Treadmill has ANT+ and Bluetooth HR connectivity. It has max user capacity of 350lbs. This treadmill has dual handlebars for high and low pushes. It has foot levelers for stability.
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