MAGNETIC BIKES IISPECIFICATIONS & FEATURES:SIZE: 1250X520X1070MM;COLOR: WHITE;NET WEIGHT: 33.5KG;GROSS WEIGHT: 39.75KG;PACKING SIZE: 1290X890X290MM;STABLE TRIANGLE STRUCTURE;SILENT, ≤30db;NO KNEE INJURY;THE MOVEMENT OF THE PEDAL IS CONSISTENT WITH THE FEET OF THE USER, SO IT STOPS WHEN USER STOPS.