SPECIFICATION:4.5kgs Cast Iron Flywheel, Belt Drive Magnetic System with 8-Level Tension Knob .Single LCD Window NAME:MAGNETIC UPRIGHT BIKEG.W.:23.5KGS N.W.:21KGSCarton Size:67*25.5*53CMSetUp Dimension:79*49*139CMShipping:20FCL/ 300units 40FCL/ 612units 40HQ/ 680units Magnetic Upright Bike