Vortex 422BZK-39 Aluminum Rear Sprocket 39T 520 Pitch Black

The Vortex 422BZK-39 is a high-performance aluminum rear sprocket engineered for motorcycle racing and performance applications. This 39-tooth sprocket features 520 pitch spacing and is constructed from 7075 T6 billet aluminum for exceptional strength and reduced rotating mass.

Key Features:

• 39 teeth with 520 chain pitch
• 7075 T6 billet aluminum construction for lightweight durability
• Black zinc finish for corrosion resistance
• 100% CNC machined with saber tooth grooves
• Vortex patent-pending tooth design increases sprocket longevity
• Reduced rotating mass improves acceleration, deceleration, and directional changes
• Precision manufactured to tight tolerances

Vortex Racing sprockets are trusted by professional race teams worldwide and manufactured in the USA to the highest quality standards. The unique tooth profile design provides superior chain engagement and extended service life compared to conventional sprockets.