Vortex 522ZK-37 CAT5 Aluminum Rear Sprocket 520 Pitch 37 Tooth Black

The Vortex 522ZK-37 CAT5 aluminum rear sprocket combines race-proven performance with eye-catching style. This 520 pitch, 37-tooth sprocket is CNC-machined from 7075-T6 aerospace-grade aluminum for exceptional strength while significantly reducing rotational weight compared to OEM steel sprockets.

Key Features:

• 100% CNC-machined in the USA from 7075-T6 aluminum alloy
• CAT5 color anodized finish (black) with contrasting silver machined highlights
• Patented saber tooth groove design increases sprocket longevity
• Unique tooth profile for improved chain engagement and reduced wear
• Lightweight construction reduces rotating mass for improved acceleration and handling
• 520 pitch, 37 teeth configuration
• Fits select Kawasaki, Suzuki, and Yamaha sportbike models

Vortex sprockets utilize a specialized anodizing process where the aluminum is anodized first, then precision CNC-machined, creating distinctive silver accents that highlight the advanced engineering. The result is a sprocket that delivers both performance gains and aggressive styling for track and street riders demanding the best.