Vortex 120A-57 Rear Sprocket 57-Tooth 520 Chain Conversion

The Vortex 120A-57 is a 57-tooth rear sprocket engineered for high-performance motorcycle applications. Manufactured by Vortex Racing, this sprocket is built to exacting tolerances for reliable power transfer and extended service life on both street and track use.

Key Features:

• 57-tooth rear sprocket for increased low-end torque and acceleration
• Precision CNC-machined from high-strength aluminum alloy
• Hard anodized finish for corrosion resistance and durability
• Lightweight construction reduces unsprung rotational mass
• Engineered to Vortex's strict quality and dimensional standards
• Compatible with standard chain pitch as indicated by the 120A series designation

Vortex sprockets are a trusted choice among competitive riders and enthusiasts seeking a performance upgrade over stock drivetrain components. The 120A-57 delivers a noticeable improvement in throttle response and is a direct bolt-on replacement for compatible applications.