FitDesk v3.0 Desk Bike with Extension Kit, White All new model for 2017! Bundled with a bonus Extension Kit making the workspace 2x larger ($49.99 value). Fitdesk offers comfort with a beach cruiser style seat, padded back rest, forearm massage rollers which provide relief from daily typing strain and adjustable desk extension kit perfect for laptop or magazines. Quick lock compact folding frame with built in wheels is great for easy transport and space saving storage when not in use. 16 x 28 footprint. Durable powder coated steel frame is compact yet balanced for stability Features 8 magnetic resistance levels and convenient resistance bands for upper body exercise when not typing An easy-adjust beach cruiser style seat along with 4 seat extender allows for quick and correct fit for users from 410 to over 6 The whisper quiet, twin belt, high velocity flywheel delivers a big bike feel in a lightweight product. Built with all aluminum and steel gear box components instead of plastic for years of reliable operation A balanced flywheel and precision sealed bearings ensure smooth operation that wont distract from work or cause vibrations on desk surface Backrest and extender included allowing for upright and semi-recumbent use. Desk features non slip surface, tablet holder and massage rollers positioned to make typing while exercising comfortable Features a storage drawer for convenient storage of small items and an easy-to-read digital resistance meter tracks mileage, calories, and time