Designed to bring you better results, the AudioStrider 990 Pro elliptical features a rear drive system and Power Incline Ramp™ that adjusts from 10 to 30 degrees. It simultaneously adjusts the stride length, giving you the option to target specific muscle groups for tightening and toning. Change your workout with the touch of a button - 15 digital resistance levels feature SMR™ Silent Magnetic resistance so your stride is consistently smooth and comfortable. Save precious floor space. The AudioStrider 990 Pro elliptical has a convenient SpaceSaver® design.