Vortex 491ZR-50 Steel Rear Sprocket Pitch Sprockets - 520 50-Tooth Black

The Vortex 491ZR-50 is a 50-tooth, 520-pitch steel rear sprocket finished in an electro-plated satin black coating. Precision-manufactured to Vortex's exacting standards, this sprocket delivers reliable power transfer and long-lasting performance for sport and street motorcycle applications.

Key Features:

• 520 Pitch: Compatible with standard 520-series drive chains
• 50 Teeth: Provides increased rear drive ratio for improved low-end torque and acceleration
• Carbon Steel Construction: Hardened teeth resist wear and maintain strength over thousands of miles
• Electro-Plated Satin Black Finish: Corrosion-resistant coating protects against the elements and maintains a clean appearance
• Weight-Reduction Cutouts: Strategically placed lightening holes reduce rotating mass for improved throttle response
• Precision Manufactured: CNC-machined to tight tolerances ensuring concentricity and consistent chain engagement

The Vortex 491ZR-50 is a direct OEM-style replacement rear sprocket trusted by street riders and racers alike. Always replace the chain and front sprocket at the same time for optimal drivetrain life.