Vortex 165ZB-50 Aluminum Rear Sprocket 420 Pitch 50 Tooth Blue

The Vortex 165ZB-50 is a high-performance aluminum rear sprocket designed for 420 pitch drive systems commonly found on mini bikes, pit bikes, and entry-level motorcycles. This 50-tooth sprocket is precision-CNC machined from aerospace-grade 7075-T6 aluminum, delivering exceptional strength while significantly reducing rotating mass compared to stock steel sprockets.

Key Features:

• CNC machined from 7075-T6 aluminum for superior strength-to-weight ratio
• 420 chain pitch with 50 teeth for optimized gearing performance
• Anodized blue finish prevents corrosion and provides a distinctive appearance
• Strategic lightening holes reduce rotating mass for improved acceleration
• Precision manufacturing ensures perfect concentricity and durability
• Unique tooth profile design extends sprocket longevity
• Ideal for Honda Grom, Kawasaki Z125, CRF50, XR50, and similar applications

Vortex Racing sprockets are manufactured to exacting tolerances, ensuring proper chain engagement and extended service life. The blue anodized finish is applied before machining, creating an eye-catching colored surface with contrasting silver highlights on the machined edges. This sprocket offers an excellent balance of performance, durability, and style for riders looking to upgrade their drivetrain components.