Vortex 150ZK-50 Black 50-Tooth 150-Pitch Aluminum Rear Sprocket

The Vortex 150ZK-50 is a 50-tooth, 150-pitch CAT5 aluminum rear sprocket finished in black anodize. Designed for small-displacement and minibike applications that run a 150-pitch chain, this sprocket delivers race-proven performance in a lightweight package.

Key Features:

• Chain Pitch: 150
• Tooth Count: 50 teeth
• Material: Lightweight CAT5 aluminum — specially formulated alloy per Vortex specifications
• Finish: Black anodize with contrasting silver machined accents
• 100% CNC manufactured in the USA for precise tolerances and concentricity
• Vortex patented tooth profile for increased sprocket longevity
• Lightening holes reduce rotating mass for improved throttle response

Vortex Racing is a U.S.-based manufacturer trusted by professional race teams worldwide across Motocross, Supercross, Road Racing, and Flat Track disciplines. Every sprocket is built to exacting tolerances using the best quality materials in the industry, making the 150ZK-50 a reliable upgrade over stock gearing for minibike and small-engine powersports applications.