Vortex 490ZK-54 Rear Sprocket Pitch Aluminum Sprockets - 54-Tooth 520

The Vortex 490ZK-54 is a 54-tooth, 520-pitch rear sprocket engineered for performance-oriented street and track motorcycle applications. Manufactured by Vortex Racing, this sprocket is a go-to upgrade for riders seeking precision-crafted drivetrain components that deliver consistent, reliable power transfer.

Key Features:

• 100% CNC machined in the USA for precise tolerances and concentricity
• Constructed from specially formulated 7075-T6 aerospace-grade aluminum per Vortex's own alloy specifications
• Anodized finish to resist corrosion and maintain appearance
• Unique tooth profile design engineered to extend sprocket longevity and reduce chain wear
• Lightweight construction reduces rotating mass for improved throttle response and acceleration
• 520 pitch chain compatibility
• 54-tooth rear sprocket for tuned gear ratio adjustment

Vortex Racing rear sprockets are a popular choice among racers and performance street riders alike. The reduced rotational mass compared to OEM steel sprockets aids in putting more power to the pavement. Whether used as a direct OEM replacement or as part of a gear ratio tuning strategy, the 490ZK-54 delivers the quality and durability Vortex Racing is known for.