Vortex 255AZB-53 CAT5 Aluminum Rear Sprocket 525 Pitch 53 Tooth Black

The Vortex 255AZB-53 is a CAT5 series aluminum rear sprocket featuring a 525 chain pitch and 53 teeth, finished in an anodized black with contrasting silver machined accents. Engineered by Vortex Racing for serious street and track riders, this sprocket delivers a lightweight performance advantage over heavier OEM steel units.

Key Features:

• 53-tooth rear sprocket for 525 chain pitch applications
• 100% CNC manufactured in the USA from a specially formulated aluminum alloy per Vortex specifications
• Anodized black finish with contrasting silver CNC-machined highlights
• Lightening holes reduce rotating mass for improved acceleration response
• Unique Vortex patented tooth profile designed to increase sprocket longevity and chain engagement
• Precision-machined for concentricity and long-term durability

Reducing rotating mass with an aluminum sprocket compared to a stock steel unit translates directly to improved acceleration and more responsive handling. The Vortex CAT5 line is a proven choice for track days, racing, and performance street riding.