Vortex 190ZK-51 Black Aluminum Rear Sprocket 51-Tooth

The Vortex 190ZK-51 is a 51-tooth black anodized aluminum rear sprocket designed for high-performance motorcycle applications. Engineered and manufactured in the USA by Vortex Racing, this sprocket is a trusted choice for motocross, supercross, road racing, and street riding enthusiasts who demand precision and durability.

Key Features:

• 51-Tooth rear sprocket for tunable gear ratio and improved low-end torque and acceleration
• Lightweight aluminum construction reduces rotating mass for improved throttle response and handling
• Black anodized finish for corrosion resistance and aggressive appearance
• Vortex patented tooth design for extended sprocket longevity and smooth chain engagement
• 100% CNC machined to precise tolerances for exact fit and consistent performance
• Designed to work with standard pitch chains — verify chain pitch compatibility for your application

Vortex Racing has been producing top-quality drivetrain components for over 15 years, with parts tested by professional race teams worldwide. The 190ZK-51 rear sprocket is an ideal upgrade for riders looking to optimize their gearing setup with a reliable, race-proven component.