Vortex 720ZK-51 Steel Rear Sprocket 51-Tooth

The Vortex 720ZK-51 is a precision-manufactured 51-tooth steel rear sprocket designed for high-performance motorcycle applications. Vortex is a globally recognized leader in powersports drivetrain components, and the 720ZK series delivers the strength and dimensional accuracy demanded by street riders and racers alike.

Key Features:

• 51-Tooth Configuration – Provides increased low-end torque and improved acceleration for spirited riding
• Steel Construction – Offers exceptional durability and resistance to wear compared to aluminum alternatives, ideal for high-mileage and demanding use
• Precision Machined – Manufactured to tight tolerances for smooth chain engagement and reduced drivetrain noise
• Vortex 720ZK Series – Engineered for a specific bolt pattern and carrier fitment; confirm compatibility with your model before installation
• OEM-Quality Fit – Direct bolt-on replacement requiring no modification

The Vortex 720ZK-51 rear sprocket is an excellent choice for riders seeking reliable, long-lasting drivetrain performance. Whether replacing a worn OEM sprocket or tuning gearing for track or street use, Vortex delivers consistent quality backed by decades of motorsports engineering expertise.