Vortex 525CZB-42 Steel Rear Sprocket Pitch Sprockets - 525 42-Tooth Black

The Vortex 525CZB-42 is a 42-tooth steel rear sprocket designed for 525-pitch chain drive systems. Built to Vortex's exacting standards, this sprocket delivers proven durability and reliable power transfer for street and performance motorcycle applications.

Vortex rear sprockets are precision-manufactured from high-quality steel, ensuring concentricity and long service life. Strategically placed lightening holes help reduce rotating mass without compromising structural integrity. The black finish provides a clean, aggressive look while offering protection against corrosion.

Key Features:

• 525 pitch — compatible with standard 525 drive chains
• 42 teeth — direct OEM replacement or performance gearing option
• Steel construction — case-hardened for maximum durability and wear resistance
• Lightening holes — reduce rotating mass for improved throttle response
• Black finish — corrosion-resistant electroplated coating
• Precision CNC manufacturing ensures consistent concentricity and smooth chain engagement
• Manufactured in the USA by Vortex Racing, trusted by professional race teams worldwide

Whether used as a direct OEM replacement or as part of a gearing change, the Vortex 525CZB-42 delivers the quality and performance that Vortex Racing has been known for since 1995.