Vortex 642A-44 Conversion Rear Sprocket Aluminum Sprockets - 520 44T

The Vortex Racing 642A-44 is a 44-tooth aluminum rear sprocket engineered for riders converting their motorcycle's chain drive to a lighter, more performance-oriented 520 pitch chain. Designed as a direct bolt-on replacement, this sprocket allows racers and performance enthusiasts to shed rotational mass and reduce drivetrain weight compared to stock 525 or 530 chain setups.

Key Features:

• 44 Teeth — provides optimized gearing for track or street performance tuning
• 520 Chain Pitch Conversion — compatible with standard 520 pitch chains for reduced weight and improved throttle response
• Lightweight Aluminum Construction — significantly reduces unsprung and rotating mass versus steel sprockets
• Hard Anodized Finish — resists corrosion and wear, extending sprocket service life under demanding conditions
• CNC Machined — precision manufactured for consistent tooth geometry and smooth chain engagement
• Part of Vortex Racing's trusted 642A series, purpose-built for 520 conversion applications

The Vortex 642A-44 is an ideal upgrade for sport bike riders looking to maximize performance through a 520 chain conversion. Vortex Racing is a well-established name in the motorsports industry, known for producing high-quality sprockets used at all levels of motorcycle road racing.