DESC: SHIPPING INCLUDED & Free Heart Rate Watch with this Elliptical. This item is USED. It is being sold in working condition. The StairMaster 5100 elliptical trainer features a patented stride technology that results in the most comfortable, natural stride motion of any elliptical trainer. The innovative Remote Operation Controls (R.O.C.) allows the user to start their workout and control the resistance right from the keypods located on the upper-body handles. And, the new console features the types of workouts most asked for by club members. Features SyncLink Technology™: Articulating foot pedal tracks the natural movement of the foot throughout the range of motion, resulting in the most comfortable, natural stride motion of any elliptical trainer. ROC™ (Remote Operation Controls™): Our unique upper-body handle design comes with Remote Operation Controls™ with "keypods" that allow the user to adjust resistance and the display without removing their hands from the handle bars. State-of-the-Art Co