7.1mm 5.556mm 6.350mm 7.937mm Soft Carbon Steel Ball G1000 for Bicycle Parts AISI1010-AISI1015 Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre：High Carbon Steel Ball 7.144mm 9/32 G100 Used for Bicycle Accessories Next：6.65mm Soft Carbon Steel Ball AISI1010-AISI1015 G100 Grade AISI 316 4mm Stainless 0.3mm Steel Ball, Carbon Steel Ball for Bearing
