Vortex 617ZK-34 CAT5 Rear Aluminum Sprocket Black 34T

The Vortex 617ZK-34 is a CAT5 series rear aluminum sprocket featuring 34 teeth in a black anodized finish. Designed for performance-oriented riders, this sprocket is 100% CNC manufactured in the USA from a specially formulated aluminum alloy developed to Vortex's own exacting specifications.

The CAT5 line sets itself apart with Vortex's patented color anodizing process, which excludes the sweeps, mud grooves, and teeth — delivering a striking black finish with contrasting bright silver machine-cut highlights. The saber tooth groove profile is engineered to reduce chain wear and extend the service life of both the sprocket and chain.

Key Features:

• 34-tooth rear sprocket in black anodized aluminum
• Lightweight CAT5 aluminum construction for reduced rotational mass
• 100% CNC manufactured in the USA
• Specially formulated alloy per Vortex specifications
• Saber tooth groove design increases sprocket longevity
• Color anodizing excludes sweeps, mud grooves, and teeth for silver highlight contrast
• Vortex patented sprocket design

The Vortex 617ZK-34 rear sprocket is an ideal upgrade for riders looking to improve drivetrain performance with a race-proven, American-made component.