High Carbon Steel Ball 7.144mm 9/32 G100 Used for Bicycle Accessories Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre：5.52/5.556/5.953/6/6.35/6.5/6.747/7.144/7.938/8mm Carbon Steel Ball AISI1010-1015/Suitable for Motorcycle, Bicycle, Auto Parts and Medical Equipment, Track. Next：7.1mm 5.556mm 6.350mm 7.937mm Soft Carbon Steel Ball G1000 for Bicycle Parts AISI1010-AISI1015
