Vortex 120AZK38 120-Pitch 38-Tooth Aluminum Rear Sprocket

The Vortex 120AZK38 is a lightweight, race-proven aluminum rear sprocket designed for motorcycles running a 120-pitch chain with a 38-tooth rear sprocket configuration. CNC-machined in the USA from a specially formulated aluminum alloy per Vortex's own specifications, this sprocket delivers the precision and durability demanded by competitive riders.

Key Features:

• 120-Pitch chain compatibility — engineered to exact tolerances for smooth, reliable power transfer
• 38-tooth rear sprocket for precise gearing tuning
• Lightweight aluminum construction reduces rotating mass for improved acceleration, deceleration, and directional response
• 100% CNC-machined in the USA from a specially formulated alloy per Vortex specifications
• Anodized finish provides corrosion resistance and long-lasting appearance
• Vortex patented unique tooth design increases sprocket longevity and chain engagement

Vortex Racing has been manufacturing top-quality motorcycle drivetrain components for over 15 years, trusted by professional racers across Motocross, Supercross, Road Racing, and Flat Track disciplines. The 120AZK38 is a direct-fit replacement or performance upgrade sprocket built to the same standards used by championship-winning race teams worldwide.