Vortex 436ZB-39 CAT5 Rear Aluminum Sprocket Blue 39T

The Vortex 436ZB-39 is a CAT5 rear aluminum sprocket featuring a striking blue anodized finish and 39 teeth. Engineered for performance-minded riders, this sprocket delivers lightweight strength and precision fitment as a direct replacement or performance upgrade for the rear drivetrain.

Vortex CAT5 sprockets are CNC-machined from high-strength aluminum and feature a vibrant color anodizing applied selectively — excluding the sweeps, mud grooves, and teeth — so those functional surfaces retain bright silver highlights while the body displays bold color. The result is a sprocket that looks as good as it performs.

Key Features:

• CAT5 design — color anodizing on body with silver highlights on teeth and functional surfaces
• Blue anodized finish for a bold, distinctive appearance
• 39-tooth rear sprocket for precise gear ratio tuning
• CNC-machined for tight tolerances and consistent fit
• Lightweight aluminum construction reduces unsprung rotational mass
• Manufacturer Part Number: 436ZB-39

The Vortex CAT5 sprocket is an excellent choice for riders looking to fine-tune their motorcycle's acceleration, top speed, or overall gearing response without sacrificing style or reliability.