MR 190537 LLB - ABEC-3 Radial Bearing (C3 Clearance) - 19.05mm x 37mm x 9mm TH-873 The eleven-tooth upper and thirteen-tooth

The eleven-tooth upper and thirteen-tooth lower size and profile with 5mm bolt-holes are designed as an upgrade for most 11 and 12 speed Shimano GRX 2X rear derailleurs

DR 10177 2RS MAX - MAX-Design

BKCJ-0361 - 13 tooth

HDK-0022 - 1-1/8 x 1-1/2 stainless steel

15mm ID shock-eye and 41

MR 190537 LLB - ABEC-3 Radial Bearing (C3 Clearance) - 19.05mm x 37mm x 9mm TH-873 The eleven-tooth upper and thirteen-toothMR 190537 LLB ABEC 3 Radial Bearing (C3 Clearance) 19. 05mm x 37mm 9mm ABEC 3 Radial Bottom Bracket bearing featuring 52100 High Carbon Chromium alloy races paired with grade 10 Balls with 90% fill, high pressure, water proof grease. The most common use for this bearing is as a replacement bearing for certain BMX BBs including some models from Profile Racing. The Enduro line of bearings are available in high carbon chromium steel, 440C stainless