Vortex 193ZK-42 CAT5 525 Rear Chain Sprocket 42-Tooth Black Aluminum

The Vortex 193ZK-42 is a CAT5 aluminum rear chain sprocket featuring a 42-tooth, 525-pitch configuration with a black anodized finish. Precision-engineered for road riding and performance applications, this sprocket delivers a significant weight savings over stock steel units, helping reduce rotating mass for improved throttle response and acceleration.

Key Features:

• 42 teeth — 525 chain pitch
• CAT5 aluminum construction — lightweight racing-grade alloy per Vortex specifications
• 100% CNC machined in the U.S.A. to the tightest tolerances
• Vortex patented saber tooth groove design — unique tooth profile increases sprocket longevity and promotes efficient power transfer
• Black anodized finish — color anodizing applied to the sprocket body, excluding sweeps, mud grooves, and teeth, providing a bold look with contrasting bright silver machine-cut highlights
• Anodized surface helps resist corrosion
• Designed as a direct OEM-style replacement for a perfect fit

Vortex sprockets are trusted by professional racing teams worldwide. The CAT5 series combines race-proven engineering with street-ready durability, making this sprocket an excellent upgrade over the factory unit for riders seeking a performance edge.