Schwinn AD8 AirDyneThe new Schwinn AD8 Airdyne bike leverages the iconic Schwinn air resistance and updates it with a slick design for modern the fitness environment. As a result, your outcome is durability and performance. Whether you use it to bring your workouts to a whole new level at your local box or require the perfect total body cardio workout machine for your home; the AD8 delivers the latest in air resistance technology for effective and efficient workouts.