Vortex 491ZK-46 CAT5 46-Tooth Aluminum Rear Sprocket

The Vortex 491ZK-46 is a CAT5 46-tooth aluminum rear sprocket built for riders who demand race-proven performance and lightweight durability. Designed as a direct replacement rear sprocket, it delivers improved throttle response and reduced rotating mass compared to heavier stock steel sprockets.

Key Features:

• Lightweight CAT5 aluminum construction — reduces rotating mass for improved acceleration and handling
• 100% CNC manufactured in the U.S.A. — precision machined to exact tolerances for consistent fit and performance
• Specially formulated alloy per Vortex specifications — engineered for strength and long service life
• Patented saber tooth groove design — unique tooth profile increases sprocket longevity and chain engagement
• Color anodized finish with contrasting silver machined highlights — available in multiple colors (color may vary by application)
• 46 teeth — increases low-end torque and acceleration compared to lower tooth-count sprockets

The Vortex CAT5 sprocket line is trusted by racers and street riders alike for its combination of lightweight design, American craftsmanship, and a distinctive appearance. The 491ZK-46 is a bolt-on upgrade that pairs with standard motorcycle drive chains for the correct pitch application.