Assault AirBike Classic SKU: 7802 AirdyneBUILT TO LAST When we set out to design the AssaultBike, we knew that the integration of sealed cartridge bearings in every pivot and moving part was an absolute necessity. So we were more than shocked when the count ended up totaling twenty. That's twenty sealed bearings in alltucked and hidden neatly away under machined and formed steel. 20 SEALED BEARINGS, HEAVY DUTY STEEL, INDUSTRIAL POWDER COATING, REINFORCED PEDALS AND CRANKS THIS CONSOLE DOES