Vortex 427AZK-43 CAT5 Rear Sprocket Black 43-Tooth 530-Pitch

The Vortex 427AZK-43 is a CAT5 aluminum rear sprocket featuring a 530-pitch chain interface and 43 teeth, finished in a striking black color anodize with contrasting silver machine-cut highlights. Engineered for performance motorcycle applications, this sprocket delivers the precision and durability Vortex Racing is known for on the street and track.

Key Features:

• CAT5 Series: Color anodizing applied to the body while excluding the sweeps, mud grooves, and teeth — delivering a vivid black finish with bright silver contrast cuts
• Lightweight Aluminum Construction: Manufactured from a specially formulated alloy developed to Vortex's exact specifications for optimal strength-to-weight ratio
• 100% CNC Manufactured in the USA: Machined to the tightest tolerances for superior concentricity and consistent chain engagement
• Patented Tooth Design: Vortex's unique saber tooth groove profile increases sprocket longevity and promotes smooth chain wear
• 530 Pitch: Compatible with standard 530-pitch drive chains
• 43 Teeth: Stock-equivalent tooth count for most applications; ideal for maintaining factory gearing characteristics
• Black Anodized Finish: Corrosion-resistant anodizing protects the sprocket body from the elements

The Vortex CAT5 line is a popular upgrade choice for riders seeking a lightweight, USA-made rear sprocket with a bold visual appearance. Cross-reference part numbers: 427ZK-43, 427AZK-43.