Vortex 523ZB-41 Black 41-Tooth 520-Pitch Rear Sprocket

The Vortex 523ZB-41 is a 41-tooth, 520-pitch rear sprocket finished in a striking black anodized coating. Precision-engineered by Vortex Racing in the USA, this sprocket is crafted from a specially formulated aluminum alloy that delivers an ideal balance of light weight and durability for street and performance motorcycle applications.

Key Features:

• 520 Pitch: Designed for motorcycles running a 520-size chain, including OEM and 520 conversion setups
• 41 Teeth: Stock-equivalent or performance-tuned gearing depending on application
• Black Anodized Finish: CAT5 hard-coat black anodizing resists corrosion and provides an aggressive, race-ready appearance
• Lightweight Aluminum Construction: Reduces rotating mass compared to steel sprockets, improving throttle response and overall handling
• 100% CNC Machined in the USA: Manufactured to precise tolerances for concentric fitment and smooth, quiet chain engagement
• Vortex Patented Tooth Design: Unique tooth geometry extends sprocket service life beyond conventional designs
• Weight-Reduction Cutouts: Precision-cut slots minimize unsprung rotational mass without sacrificing structural integrity

The Vortex 523ZB-41 rear sprocket is a direct-fit performance upgrade for riders looking to maintain or adjust their gear ratio while shedding weight and adding a clean black aesthetic to their drivetrain.