High Density Chrome Steel Balls Bearing for Bicycles 7.937mm 8.731mm 9.525mm Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre：Density Chrome Steel Ball Bearing for Household Appliances Carbon Steel Ball 2.381mm 3.175mm 4.762mm Next：Density Chrome Steel Ball Bearing Steel Solid Round Magnetic Metal Balls for Car Parts 15.081mm 19/32"
