home use magnetic bike 1,Flywheel:3kgs 2,inside magnetic system 3,8 level of magnetic resistance 4,certificate:GS.TUV Flywheel:3kgs ... , inside magnetic system ,8 level of magnetic resistance ,certificate:GS.TUVassembly size:85*46*120cmpacking:1pcs/ctnMaterial:steel,plasticadjustable height ... /outer magnetic control system New Style Magnetic Bike With CE GS