The Schwinn Airdyne Comp's resistance-based braking creates zero friction and considerably less maintenance than other, more complex systems. Sealed cartridge bearings provide a smooth ride, reliability and extra-long life. Features Resistance-based braking creates zero friction and provides considerably less maintenance than other, more complex systems Sealed cartridge bearings provide smooth ride, reliability and extra-long life Durable steel frame helps ensure a quiet ride Small, quiet fan-wheel cools user during exercise Low step-over height makes mounting and dismounting easy Ideal for rehabilitative use Specifications Resistance Levels - Infinite Resistance System - Air Resistance Levels - Infinite Resistance System - Air Drive System - Chain and Belt Drive equipped with a springloaded chain tensioner # of Workout Programs - 2 Workouts - Simultaneous upper/lower body, or upper body workout only Display Type - LCD Display Readouts - Time, Distance, Calories, Calories per Hour, RPM, Workload, and Optional Heart Rate Style - Upright Stationary Bike Dimensions - 50"L x 22.5"W x 48"H Weight - 104 lbs Max User Weight - 300 lbs Power Requirements - 2 AA Batteries Seat - Extra padded, anatomically correct seat Residential Warranty - Frame - 30 Years; Parts - 3 Years; Electronics - 3 Years; Labor - 1 Year; Wear Items - 1 Year