Vortex 512ZK-55 Steel Rear Sprocket Pitch Sprockets - 520 55T

The Vortex 512ZK-55 is a heavy-duty steel rear sprocket designed for motorcycle applications requiring a 520 chain pitch and 55-tooth configuration. Engineered by Vortex Racing, a trusted name in high-performance drivetrain components, this sprocket delivers exceptional strength, durability, and consistent power transfer.

Key Features:

• 520 Chain Pitch – Compatible with standard 520 chain systems
• 55 Teeth – Optimized tooth count for acceleration and low-end torque
• Steel Construction – Superior durability and longevity compared to aluminum alternatives
• Z-Series Design – Precision-cut teeth for smooth, reliable chain engagement
• Direct OEM-Style Fit – Drop-in replacement with no modifications required
• Black Finish – Corrosion-resistant surface treatment

The Vortex 512ZK-55 rear sprocket is an ideal replacement or performance upgrade for riders seeking reliable drivetrain performance. Its steel construction makes it especially well-suited for street riding, touring, and demanding everyday use where long sprocket life is a priority.