Vortex 165ZK-32 Aluminum Rear Sprocket 32-Tooth

The Vortex 165ZK-32 is a 32-tooth aluminum rear sprocket engineered for high-performance motorcycle applications. Built to Vortex Racing's exacting standards, this sprocket is CNC-machined from a specially formulated aluminum alloy and features Vortex's patented tooth geometry designed to maximize chain engagement, reduce wear, and extend overall drivetrain service life.

Key Features:

• 32-Tooth Configuration — precision tooth count for optimized final drive gearing
• CNC-Machined Aluminum Construction — lightweight design reduces unsprung rotational mass compared to steel alternatives
• Induction-Hardened Tooth Profile — resists surface wear under sustained high-load and racing conditions
• Vortex Nickel Plating — corrosion-resistant finish extends sprocket longevity
• Precision Tolerances — ensures true concentricity for smooth, vibration-free power delivery
• Made in the USA — manufactured at Vortex Racing's facility to strict quality standards

Vortex Racing is a trusted name among professional and amateur racers alike, with components proven at the highest levels of AMA Superbike, Supercross, and motocross competition. The 165ZK-32 rear sprocket is a direct-fit replacement or performance upgrade offering measurable weight savings and consistent, reliable drivetrain performance.