While redesigning the exercise bike experience, Nautilus consulted with cyclists and trainers to help push the envelope on performance and comfort. The Performance Comfort seat is wide towards the back and tapers towards the front for a "real bike" feel. Industrial grade poly-V belt provides nearly silent operation. Eddy current magnetic brake has no frictional components to wear out. Resistance range 15-1000 watts. Contact HR sensor, wireless telemetry, Remote Operation Control, ergo bars and ratcheted foot straps. A 60-watt battery charger/power supply; 100 to 240 VAC, 50-60 Hz. Console has iPod connectivity, and can be used cordless or corded. Ten workout programs include Quick Start; Fat and Calorie Burner; Speed and HR Intervals; and Heart Rate Zone Trainer. 27"W x 47"L x 60"H. Weighs 158 lbs. Warranties: Frame Lifetime. Motor 10 years. Parts 3 years. Wear item 1 year. Labor 1 year (US and Canada only).