Manual Walking Pad Treadmill with Incline 20%, Foldable Treadmill with Handle Bar, 500lbs Capacity, Non-Electric Fixed Incline, Non-Slip, Digital Monitor,Durable Compact Build for Home/Gym/Outside 20% POWER INCLINE, HIGH-EFFICIENCY Experience the intensity of a 20% incline where every step counts. This is active climbing, not passive movement—your legs power the belt, driving deep engagement in your glutes, hamstrings, and calves. Compared to walking the same incline on a motorized treadmill, the Funmily manual treadmill helps you burn up to 50% more calories with the same effort. DUAL FLYWHEEL SYSTEM BENEFITS】The dual flywheel system generates progressively intensifying resistance that seamlessly adapts to your pace.