Vortex 490ZK-46 Black 46-Tooth CAT5 Aluminum Rear Sprocket

The Vortex 490ZK-46 is a 46-tooth CAT5 aluminum rear sprocket finished in black anodize, designed for performance-minded riders who demand lightweight, race-proven drivetrain components. Engineered and manufactured in the USA, this sprocket delivers the precision and durability that Vortex Racing has been known for since 1995.

Key Features:

• Lightweight CAT5 aluminum construction — reduces rotating mass for improved throttle response and acceleration
• 100% CNC machined in the USA — manufactured to tight tolerances for concentricity, strength, and quiet operation
• Specially formulated alloy per Vortex specifications — optimized balance of strength and weight
• Black anodized finish — corrosion-resistant coating for long-lasting appearance and protection
• Vortex patented unique tooth design — increases sprocket longevity and reduces chain wear
• 46 teeth — adds low-end torque and acceleration compared to lower tooth-count sprockets

Vortex Racing rear sprockets are a top choice for street riders and racers alike. Their lightweight design reduces unsprung rotating mass, helping put more power to the pavement. The 490ZK-46 is part of Vortex's extensive rear sprocket lineup, tested at the highest levels of professional motorsport worldwide.