Vortex 527ZK-48 CAT5 Rear Aluminum Sprocket 530 Pitch 48-Tooth Black

The Vortex 527ZK-48 is a CAT5 series rear drive sprocket machined from lightweight aluminum and finished in a black anodized coating with contrasting silver highlights. Designed for performance motorcycle applications requiring a 530-pitch chain and 48-tooth count, this sprocket delivers a balance of reduced rotating mass and proven durability at the rear wheel.

Key Features:

• CAT5 Aluminum Construction: Manufactured from a specially formulated alloy per Vortex specifications for an optimal strength-to-weight ratio
• 100% CNC Machined in the USA: Precision manufactured to the tightest tolerances for consistent fitment and performance
• Saber Tooth Groove Design: Vortex's patented unique tooth profile increases sprocket longevity and promotes smooth chain engagement
• Black Anodized Finish: Color anodizing applied before CNC machining results in a bold black appearance with bright silver machine-cut highlights on the sweeps, mud grooves, and teeth
• 530 Pitch / 48 Teeth: Designed for use with standard 530-pitch drive chains
• Lightweight Design: Reduced rotating mass compared to steel sprockets helps improve throttle response and overall drivetrain efficiency

The Vortex CAT5 line is a trusted standard in motorcycle road racing, trusted by champions on both the track and the street. The 527ZK bolt pattern is compatible with specific sport bike applications — verify fitment before ordering.