Vortex 839AZK-45 CAT5 Rear Sprocket 45-Tooth Black Aluminum

The Vortex 839AZK-45 is a lightweight CAT5 aluminum rear sprocket featuring 45 teeth and a black anodized finish. Designed for high-performance motorcycle applications, this racing sprocket is 100% CNC manufactured in the USA from specially formulated aerospace-grade aluminum alloy per Vortex specifications.

Key Features:

• 45-tooth count for optimized gear ratios
• CAT5 aluminum construction reduces rotational mass for improved acceleration
• Black anodized finish prevents corrosion and provides long-lasting durability
• Unique patented tooth design increases sprocket longevity
• 100% CNC machined to the tightest tolerances for precision fitment
• Lightweight design aids in transferring more power to the pavement

Vortex Racing sprockets are trusted by professional race teams worldwide and manufactured with direct feedback from champions in Motocross, Supercross, Road Racing, and Flat Track Racing. Each sprocket is precision-engineered to deliver exceptional reliability and performance under extreme riding conditions.