Vortex 839CZK-40 Aluminum Rear Sprocket 40-Tooth

The Vortex 839CZK-40 is a lightweight aluminum racing rear sprocket featuring 40 teeth, designed for high-performance motorcycle applications. This sprocket is 100% CNC manufactured in the USA from a specially formulated alloy per Vortex specifications, delivering precision engineering and optimal power transfer.

Key Features:

• Lightweight standard aluminum racing sprocket construction
• Silver anodized finish to prevent corrosion
• Unique tooth design increases sprocket longevity
• Vortex patented sprocket design is unlike any other sprocket
• Made from aerospace-grade aluminum providing optimal power transfer and reduced rotational mass
• 40-tooth configuration for customized gearing options

Vortex sprockets are trusted by professional racers and enthusiasts alike for their superior craftsmanship and durability. The CNC manufacturing process ensures tight tolerances and consistent performance, while the lightweight aluminum construction reduces unsprung weight for improved acceleration and handling. Perfect for riders looking to replace worn OEM sprockets or fine-tune their motorcycle's gear ratios for enhanced performance on the street or track.