SportsArt C55U Upright BikeExercise bikes are similar to normal bikes having seat,paddle and handlebars to support. Normal Bikes are used outdoor but exercise bikes are made in such a way they are used in Indoors. These bikes provides the same experience as that of an outdoor bike. But resistance level in exercise bikes can be changed for different workouts. These bikes give excellent Cardio workouts and also helps in burning of the fat. Workouts on these bikes can be performed