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

20-22 YAMAHA YZF R1 ALUMINUM DRIVEN RACING 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

15 16 17 18 19 YAMAHA YZF R1 YZFR1 AFTERMARKET VORTEX 41 TOOTH REAR SPROCKET

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

15-22 YAMAHA YZF R1 VORTEX REAR BACK SPROCKET 642A-41 520 41T H5

2000 2001 YAMAHA YZF R1 VORTEX REAR BACK SPROCKET