Vortex 525ZK-37 Steel Rear Sprocket 525 Pitch 37 Tooth Silver

The Vortex 525ZK-37 is a high-performance steel rear sprocket designed for serious street and track riders who demand maximum durability. Featuring 525 pitch with 37 teeth, this sprocket is laser-cut from premium carbon steel and finished in an attractive satin silver that resists corrosion.

Key Features:

• Laser-cut from high-quality carbon steel for extended service life
• Case-hardened teeth provide superior wear resistance compared to aluminum sprockets
• 525 pitch with 37 teeth for optimal gearing options
• Drilled lightening holes reduce weight without compromising strength
• Durable silver finish resists corrosion
• Precision CNC machining ensures perfect fitment and smooth operation
• Made in the USA by Vortex Racing to the tightest tolerances

Vortex steel sprockets are the ideal choice when maximum durability is required. The hardened steel construction significantly outlasts aluminum sprockets while maintaining precise tooth geometry for smooth chain engagement and efficient power transfer. Perfect for riders who put serious miles on their machines or run aggressive tire combinations.