The easily transportable and fully assembled Sf-B020029 Electric Under Desk Bike by Sunny Health and Fitness is a perfect product for your rehabitation and joint issue. This space-saving exercise machine can help get your legs moving in a forward motion. Large textured foot pedals with adjustable straps prevent your feet from slipping while riding. This motorized under-the-desk bike is excellent for increasing blood circulation, joint range of motion, and improved lower body muscular endurance. Use the digital panel to select 18-levels of electromagnetic assistance that will provide a wide variety of exercise intensities to fit your needs. Use the digital monitor to track speed, time, calories, and distance. The experience when using this product is smooth, quiet, and simple while offering a steady ride with floor stabilizers for even placement. (automatic stop feature) Automatic safety stop feature.