Vortex 438ZK-37 Steel Black 37-Tooth 428-Pitch Rear Sprocket

The Vortex 438ZK-37 is a steel rear sprocket featuring a 428 pitch and 37 teeth, finished in a durable black coating. Vortex is a trusted name in motorcycle drivetrain components, manufacturing precision sprockets engineered for consistent performance and long service life.

Key Features:

• 428 Pitch: Compatible with standard 428-series drive chains commonly found on smaller displacement motorcycles and sport bikes
• 37-Tooth Count: Maintains stock-equivalent gearing for balanced acceleration and top speed
• Steel Construction: Provides excellent strength and wear resistance for extended sprocket life
• Black Finish: Corrosion-resistant black coating for a clean, stealthy appearance
• Precision Manufactured: CNC machined to exacting tolerances for smooth chain engagement and reduced drivetrain noise

Vortex rear sprockets are a popular choice for riders seeking a direct OEM replacement or a quality upgrade. This sprocket is part of Vortex's extensive lineup of drivetrain components designed to deliver reliable power transfer and consistent performance mile after mile.