20-22 YAMAHA YZF R1 STEEL VORTEX REAR BACK SPROCKET 42T G9

20-22 YAMAHA YZF R1 STEEL VORTEX REAR BACK SPROCKET 43T G9

20-22 YAMAHA YZF R1 STEEL VORTEX REAR BACK SPROCKET 41T G9

20-22 YAMAHA YZF R1 ALUMINUM SUPERLITE REAR BACK SPROCKET 40T G9

17-20 YAMAHA YZF R6 ALUMINUM AFAM REAR BACK SPROCKET 44T G9

15-22 YAMAHA YZF R1 VORTEX REAR BACK SPROCKET 642A-47 520 47T H8

2002 YAMAHA YZF600R OEM REAR BACK SPROCKET 47 TOOTH