AFG 4.0 AH Hybrid Exercise Bike Commercial-quality exercise bike with hybrid frame design--combines access of a recumbent with efficient riding of an upright 23-pound flywheel with 20 levels of resistance; 10 programs including 2 custom programs FreeSPIN technology allows for smooth coasting instead of joint-jarring stops Heart rate monitoring via contacts and included wireless Polar receiver and chest strap Warranty: lifetime on frame and brakes, three years on parts, one year on labor