More than 30 years ago, Schwinn pioneered Airdyne wind resistance technology and has been helping people attain their fitness goals for decades. Designed specifically for the home, the Schwinn AD2 is the newest member of the Airdyne family. This compact but powerful total body machine will more than meet your expectations. The Airdyne AD2 fan design displaces air effectively for an infinite number of resistance levels. BioDyne™ Performance: Synchronized arm and leg motion simulates natural human movement Patent-pending fan design displaces air effectively for an infinite number of resistance levels Transport wheels enables quick and easy storage between rides BioConnect® Feedback: Simple to use LCD computer displays speed, RPM, distance, time, and calories Features and Specifications: Infinite resistance level Belt drive system LCD display with time, distance, calories, and RPM readouts Padded seat Maximum user weight: 250 pounds The Airdyne AD2"s fan. The Airdyne AD2 allows for simultaneous upper/lower body workouts or upper body only. airdyne2 Compare these Airdyne Models Model Schwinn AD2 Airdyne Schwinn AD4 Airdyne Schwinn Airdyne Evo Comp Schwinn AD6 Airdyne MSRP $599.00 $750.00 $900.00 $999.00 Resistance Levels Infinite Infinite Infinite Infinite Resistance System Air Air Air Air Drive System Single stage-belt drive Dual-stage chain and belt drive Dual-stage Super Torque belt drives Dual-stage Super Torque belt drives Number of Workout Programs 2 2 Workouts Simultaneous upper / lower body or upper body workout only Simultaneous upper / lower body or upper body workout only Simultaneous upper / lower body or upper body workout only Simultaneous upper / lower body or upper body workout only Heart Rate Telemetry enabled Telemetry enabled Telemetry enabled Display Type LCD LCD LCD LCD Display Readouts Time, Distance, Calories, RPM Time, Distance, Calories, Calories per Hour, RPM, Workload, and Heart Rate Time, Distance, Calories, Calories per Hour, RPM, Workload, and Heart Rate RevMeter, Time, Distance, Calories, RPM, Watts and Heart Rate Power Requirements 2 AA Batteries (not included) 2 AA Batteries (not included) 2 AA Batteries (not included) 2 AA Batteries (not included) Seat Padded Extra-padded, oversized Extra-padded, oversized Extra-padded, oversized Product Dimensions (L x W x H) 58 x 25 x 48 inches 50 x 23 x 48 inches 50 x 23 x 48 inches 50 x 26 x 51 inches Product Weight 96 pounds 96 pounds 104 pounds 115 pounds Warranty Frame: 5 years, Parts: 1 year, Electronics: 1 year, Labor: 90 days, Wear Items: 90 days Frame: 30 years, Parts: 3 years, Electronics: 3 years, Labor: 1 year, Wear Items: 1 year Frame: 30 years, Parts: 3 years, Electronics: 3 years, Labor: 1 year, Wear Items: 1 year Frame: 15 years, Parts: 3 years, Electronics: 2 years, Labor: 6 months Maxium User Weight 250 pounds 300 lbs 300 lbs 300 lbs