Vortex 312ZK-53 Aluminum Rear Sprocket 53-Tooth 520 Pitch

The Vortex 312ZK-53 is a 53-tooth aluminum rear sprocket engineered for 520-pitch chain applications. Part of Vortex Racing's industry-leading sprocket lineup, the 312ZK series is designed for riders seeking a lightweight, performance-focused alternative to heavier stock steel sprockets.

Key Features:

• 53-Tooth Rear Sprocket — ideal for tuning gear ratios toward enhanced low-end acceleration and quicker roll-on response
• 520 Chain Pitch — compatible with standard and 520-conversion chain setups
• Aerospace-Grade Aluminum Construction — significantly reduces rotating mass compared to steel, improving throttle response and overall drivetrain efficiency
• CNC Machined in the USA — precision-manufactured to tight tolerances for a consistent, reliable fit
• Vortex Patented Tooth Profile — unique tooth geometry promotes even chain wear and extends sprocket service life
• Corrosion-Resistant Finish — anodized surface treatment protects against wear and environmental exposure

The Vortex 312ZK-53 aluminum rear sprocket is a proven upgrade for street and track riders looking to fine-tune their motorcycle's gearing. Whether optimizing for acceleration out of corners or adjusting for a specific riding environment, this sprocket delivers the precision and durability Vortex Racing is known for.