DESC: Get ready for a comfortable low impact workout with the Kettler RT307 Recumbent Bike (7986-999). The Kettler RT307 Recumbent Bike (7986-999) features magnetic resistance allowing you to change your resistance instantly for a greater workout variety. With its ergonomically correct seating and assortment of features the Kettler RT307 Recumbent Bike (7986-999) has everything you need for an effective cardio workout. It requires a 110 volt power source but operates silently. The product has a weight limit of 285 pounds.