Vortex 422ZK-39 520 Pitch Aluminum Rear Sprocket 39 Tooth Black Hardcoat

The Vortex 422ZK-39 is a high-performance 39-tooth rear sprocket featuring F5 PTFE black hardcoat finish that bonds to the aluminum to create a more durable surface with less friction. Constructed from 7075 T6 aluminum, the highest quality grade material for lightweight performance and exceptional durability, this sprocket is designed for 520-pitch chain applications.

Key Features:

• 100% CNC machined with saber tooth grooves and Vortex patent pending design
• 100% CNC manufactured in the U.S.A.
• PTFE coating provides added lubricity, creating an ultra tough, ultra light sprocket that stays cleaner and lasts longer
• Unique tooth design increases sprocket longevity
• Reduced rotating weight improves acceleration as weight savings on drive components are multiplied as rotating mass

This Vortex sprocket serves as a lightweight high-performance alternative to steel stock sprockets, allowing you to considerably reduce mass and customize your gearing. Vortex Racing manufactures top-quality motorcycle racing components made to the tightest tolerances with the best quality materials in the industry.