Vortex 604ZK-46 Black 46-Tooth Aluminum Rear Sprocket

The Vortex 604ZK-46 is a 46-tooth aluminum rear sprocket finished in Vortex's durable black hard-coat anodizing for enhanced corrosion and wear resistance. Engineered for serious street and track riders, this sprocket delivers a lightweight performance upgrade over heavy OEM steel units without sacrificing durability.

Vortex rear sprockets are 100% CNC machined in the USA from a specially formulated aluminum alloy to precise tolerances, ensuring perfect concentricity for smooth, vibration-free power delivery. The black hard-coat (ZK) finish provides a stealthy look while offering superior surface hardness compared to standard anodizing.

Key Features:

• 46-tooth rear sprocket for adjusted final drive gearing
• Lightweight aluminum construction reduces rotating mass
• Black hard-coat anodized finish for durability and corrosion resistance
• 100% CNC manufactured in the USA to precise tolerances
• Vortex patented unique tooth design increases sprocket longevity
• Specially formulated alloy per Vortex specifications
• Direct OEM-style fitment — no modifications required

The Vortex 604ZK-46 rear sprocket is an ideal choice for riders looking to fine-tune their gearing for quicker acceleration or to match a chain conversion setup, all while keeping weight to a minimum.