Spinning Spinner S1 Indoor Cycling Bike with Four DVDs, White Adjustable, no-slip handlebars with rubberized grips, adjustable fore and aft seat slider, water bottle holder on frame, one motion emergency stop Wide, padded saddle so that riders are comfortable and balanced during their workouts; The seat is also adjustable, both vertically and horizontally Two-piece fender protects the brake and flywheel assembly from moisture No-slip design features a dipped rubber bar for comfort and safety, plus easy adjustability to accommodate riders of all sizes and abilities Weighted flywheel creates momentum, which keeps the pedals moving; This translates into a non-impact workout and a fluid pedal stroke