17.5 Inches
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Sunny Health & Fitness Manual Treadmill with 16 Levels of Magnetic Resistance, 300 LB Max Weight and Dual Flywheels
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MANUAL TREADMILL: This magnetic training treadmill requires no electricity and is powered solely by your movement. The two, 11-pound flywheel mechanism helps maintain running belt momentum while also providing additional resistance.
MAGNETIC RESISTANCE: Max out your cardio routine with 16 levels of adjustable magnetic resistance that will make it progressively harder to maintain your running speed.