Body Rider Folding Upright Exercise Bike with Heart Rate, Contoured Seat, Extended Stability Handlebars Efficient and enjoyable workouts on a pivot-enhanced foldable frame design Quiet, hidden flywheel System offers smooth, quiet riding with magnetic resistance Built-in 8 levels of preset adjustability calibrated for easy increase/decrease to your workout levels Includes built-in hand-grip heart RATE sensors easily accessible on extended ergonomic handlebars Easy-to-read and intuitive design LCD console measures: heart RATE, calories burned, time, distance, and speed