Stamina 4525 Air Fusion Recumbent Bike Hybrid upright/recumbent stationary bike combines air resistance with tension control Efficient, adjustable wind resistance, dial tension control to set workout intensity Large, easy-to-read monitor displays tracks time, speed, distance, calories; pulse sensors built into handrails Adjustable seat with 45-degree leg angle to reduce stress on hips and joints Recommended for users 5 feet tall and taller; 3-year warranty on frame, 90 days on parts