Vortex 245AZB-40 CAT5 Rear Aluminum Sprocket 520 Pitch 40-Tooth Blue

The Vortex 245AZB-40 is a CAT5 Series rear aluminum sprocket featuring a 520 chain pitch and 40-tooth count, finished in a striking blue anodize with contrasting silver CNC-machined highlights. Designed for performance-oriented street and track riders, this sprocket is a direct upgrade over heavy OEM steel units.

Key Features:

• Lightweight CAT5 aluminum construction — significantly reduces rotating mass compared to OEM steel sprockets for improved acceleration and throttle response
• 100% CNC manufactured in the U.S.A. — precision machined from a specially formulated aluminum alloy developed to Vortex's own specifications
• Patented Saber Tooth groove design — unique tooth geometry engineered to extend sprocket service life and improve chain engagement
• Blue anodized finish — color anodizing applied before CNC machining, resulting in vivid blue panels with bright silver machine-cut highlights on the sweeps, mud grooves, and teeth
• 520 chain pitch / 40-tooth rear sprocket — direct-fit replacement for compatible motorcycle applications
• Part of Vortex's full CAT5 color lineup, also available in Black, Red, and Gold (in most sizes)

The Vortex CAT5 sprocket line is a favorite among road racers and performance enthusiasts seeking a measurable weight savings and a premium aesthetic without sacrificing durability. MPN: 245AZB-40.