1. 5.5kgs flywheel 2. 3 pcs crank 3. with big monitor 4. seat can slide front and back EXERCISE BIKE Product Name Elliptical BikeITEM NO BK2055Description CTN SIZE980*220*665 (MM)ASSEMBLY SIZE1135*490*1525(mm)NET WEIGHT29KGSGROSS WEIGHT31KGSLOADING Q’TY475PCS/40HQ 198PCS/20FT ELLIPTICAL BIKE