Fan bikes are great for cardio and endurance training. The Marcy AIR-1 Upright Fan Bike is designed to kick some butt. It is constructed from 14-gauge steel tubing with powder coated finish. It has dual-action arms to give you a more complete workout.
This bike uses a fan to create resistance, so the harder you pedal, the tougher your workout gets. It has an adjustable seat to accommodate users of various sizes. You can always put your feet up to target your upper body.