The Pro Form 100 ZLX exercise bike is equipped with a 7kg (15lbs) flywheel for a smooth pedalling motion & has an LCD display providing feedback on crucial workout data including speed, time, resistance, distance & calories. It features the i Fit SD card reader to ensure personalised interactive workouts & enables users to listen to their favourite music while exercising thanks to the iPod/MP3 compatibility, stereo speakers & line-in input. The 100 Pro Form ZLX features 10 levels of Silent Magnetic Resistance to provide versatile workouts.