Vortex 604ZB-45 Steel Rear Sprocket 45T

The Vortex 604ZB-45 is a 45-tooth steel rear sprocket designed for high-performance street and track riding. Vortex is a trusted name in the motorsports industry, manufacturing precision-cut sprockets to exacting tolerances for reliable power transfer and long service life.

Key Features:

• 45 Teeth — optimized tooth count for acceleration-focused gearing
• Steel construction — superior strength and durability compared to aluminum alternatives, ideal for high-mileage and demanding riding conditions
• Precision CNC-machined — manufactured to tight tolerances for smooth chain engagement and reduced drivetrain wear
• Direct OEM replacement fitment — designed to fit specific motorcycle applications without modification
• Compatible with standard drive chain — verify chain pitch compatibility with your specific application

The 604ZB series sprockets from Vortex are a popular upgrade or replacement choice for riders looking to maintain OEM reliability while gaining the performance edge of aftermarket precision manufacturing. Whether used for street commuting or weekend track days, this rear sprocket delivers consistent performance mile after mile.