The CX 990 is a rear drive elliptical machine with an 18-inch stride. It has upper body arms and a power incline ramp. Pulse sensors on the stationary handlebars allow you to check your heart rate. The console includes a fan, a water bottle holder and iFit technology. .The power incline ramp on the CX 990 is adjustable between 10 and 30 degrees. The console has five quick-select incline buttons: 10, 15, 20 25 and 30 degrees. Change the incline with the touch of one button. Select from 10 levels of pedal resistance to make your workout more challenging. Ten quick-select buttons allow you to change the resistance quickly and easily. The CX 990 offers 10 built-in workouts that control the incline and resistance settings for you.