Diamondback Fitness 500Sr Step-Thru Recumbent Exercise Bike Recumbent exercise bike with eddy current brake resistance system Exclusive extra-wide Comfort-Plus seat and molded backrest Built-in console tracks your time, pulse, calories, distance, and more Plug-in jack with speakers for MP3 player; 275-pound weight capacity Measures 67 x 31 x 12.5 inches (W x H x D); limited lifetime frame warranty