Vortex 528A-45 520-Pitch Aluminum Rear Sprocket 45-Tooth Silver

The Vortex 528A-45 is a lightweight, 45-tooth aluminum rear sprocket designed for 520-pitch chain applications, including 520 conversion setups. Manufactured entirely in the USA using CNC machining and a specially formulated aluminum alloy developed to Vortex's own specifications, this sprocket delivers race-proven strength and precision in a lightweight package.

A silver anodized finish protects the aluminum from corrosion and wear, while Vortex's patented tooth geometry is engineered to extend sprocket life beyond what conventional designs offer. Whether used on the street or track, this rear sprocket is a direct upgrade over heavy OEM steel units.

Key Features:

• 520-pitch compatibility — designed for 520 chain conversions and native 520 applications
• 45-tooth rear sprocket for optimized final drive gearing
• Lightweight aluminum construction using a proprietary alloy formulated to Vortex specifications
• 100% CNC machined in the USA for consistent precision and quality
• Silver anodized finish resists corrosion and surface wear
• Patented Vortex tooth design reduces wear and extends sprocket longevity

Vortex Racing is a trusted name in motorsport drivetrain components, and the 528A series rear sprocket reflects their commitment to race-quality manufacturing standards at an accessible price point.