Vortex 436ZK-38 Cat5 Rear Aluminum Sprocket Black 38t

The Vortex 436ZK-38 Cat5 Rear Sprocket is a lightweight, race-proven aluminum rear sprocket delivering serious performance gains through reduced rotating mass and precision CNC engineering. Finished in a bold black anodize with contrasting silver machine-cut highlights on the teeth and grooves, this sprocket combines aggressive aesthetics with functional durability built to Vortex's exacting specifications.

Key Features:

• Lightweight CAT5 aluminum construction — reduces rotating mass for improved throttle response and acceleration
• 100% CNC manufactured in the USA — precision machined for consistent fit and performance
• Specially formulated alloy — engineered to Vortex's proprietary specifications for superior strength-to-weight ratio
• Saber tooth groove design — unique tooth profile increases sprocket longevity and chain engagement
• Black anodized finish — color anodizing applied to the sprocket body, excluding sweeps, mud grooves, and teeth, resulting in striking silver contrast highlights
• Vortex patented sprocket design — unlike any other sprocket on the market
• 38-tooth rear sprocket — allows precise gearing tuning for track or street use

The Vortex CAT5 series rear sprocket is the go-to choice for performance riders and racers who demand reliable, lightweight drivetrain components. The 436ZK carrier pattern is specific to select high-performance sportbike applications. Sold individually.