FitDesk Desk Exercise Bike and Office Workstation with Massage Bar Durable: Built to Last with high quality gear box components for years of reliable operation Quiet: Twin belt, high velocity flywheel Unique: Desk features non-slip surface, easy access drawer and massage rollers positioned to make typing while exercising comfortable Digital resistance meter tracks mileage, calories, time, etc... Adjustable: Seat Back and Extender included allowing for upright and semi-recumbent use