6.25g Bicycle Tricycle Chrome Steel Bearing Balls for Precision Bearings, Automotive Components 11.509mm 29/64" Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre：8.3G 16.393G Factory Supply Hardness Chrome Steel Ball HRC 60-66 11.113mm 7/16" 12.700mm 19.050mm 3/4 Inch Next：3.869g High Hardness HRC60-66 Super Purchasing Customized Chrome Steel Bearing Ball with Drilled Hole 11.906mm 15/32"
