This SuperFit Stationary Silent Belt Exercise Bike is made of superior refined steel making it perfect for home office and gym use. The 20 lbs steel flywheel is very smooth and silent when you are on it. You can adjust the resistance according to your different exercise intensities. When there is an emergency you can press the knob to stop your workout. Thanks to the display and the heart rate sensor on the handrails you can monitor your exercise data. 2-way adjustable non-slip handlebar and the 4-way padded seat can meet the needs of people of different heights. Specifications: Color: Black+Red Material: Refined Steel ABS Overall Dimensions: 39.5'' x 20.5'' x 41.5''-46.5'' (L x W x H) Seat Size: 10.5'' X 7.5'' (LxW) Net Weight: 74 lbs Bearing Weight: 220 lbs Flywheel Weight: 20 lbs Limited Quantity Available