YAMAHA 1998-2014 YZF-R1 VORTEX RACING 520 CONVERSION REAR STEEL SPROCKET 41 T

YAMAHA 2001-2015 FZ1 FZ-1 VORTEX RACING 520 REAR STEEL SPROCKET 41 TOOTH

YAMAHA 2015-2023 YZF R1/R1M VORTEX 520 REAR STEEL SPROCKET 41 42 43 or 44

YAMAHA 2015-2023 YZF-R1 VORTEX RACING 520 PITCH REAR STEEL SPROCKET 41-44 TOOTH

YAMAHA 2015-2017 FZ-07 VORTEX 520 CONVERSION REAR STEEL SPROCKET 41

SUZUKI 2011-2023 GSXR600 VORTEX 520 CONVERSION REAR STEEL SPROCKET 41 TOOTH

YAMAHA 2006-2020 YZF-R6 VORTEX 520 CONVERSION REAR STEEL SPROCKET 41

YAMAHA 2015-2018 YZF-R1S VORTEX CAT5 ALUMINUM 520 CONVERSION REAR SPROCKET 35-54