LifeSpan C3-DT5 Bike Desk One FREE LifeSpan Club full membership included; our online health management program lets you join a team, track pedal revolutions, distance traveled, calories burned and more Bluetooth-enabled letting you wirelessly sync your activity data to your Windows or Mac computer with LifeSpan's free Active Trac app The bike desk has a small foot print with the bike measuring 27" x 21" (L x W) and the desktop 36.5" x 46.75" (D x W) Manual height adjustable desk 400 lbs. maximum user weight; lifetime frame warranty; 2 year parts warranty; 1 year labor warranty