Vortex 611ZK-43 Steel 520 Rear Sprocket 43-Tooth Black

The Vortex 611ZK-43 is a 43-tooth, 520-pitch steel rear sprocket finished in a satin black electro-plated coating. Engineered for street and performance motorcycle applications, this sprocket delivers the durability and precision that Vortex Racing is known for.

Key Features:

• Carbon steel construction — laser-cut from high-carbon steel for maximum strength and long service life
• Satin black electro-plated finish — resists corrosion and maintains appearance over time
• Hardened teeth — maintain tooth geometry under load for consistent chain engagement and efficient power transfer
• Weight-reducing profile — sprocket body is cupped down from the tooth ring to reduce unnecessary rotating mass
• Unique Vortex tooth design — patented profile increases sprocket longevity and improves chain seating
• 520 pitch — compatible with standard 520 chain setups
• 43 teeth — matches OEM gearing on many popular sport motorcycles

Vortex steel rear sprockets are an ideal choice for riders who prioritize durability and longevity over weight savings. The 611ZK-43 is a direct-fit replacement sprocket designed to restore or upgrade your drivetrain with a premium, USA-quality component.