Vortex 414EZK-39 Aluminum Rear Sprocket 39-Tooth Black Anodized

The Vortex 414EZK-39 is a lightweight aluminum rear sprocket featuring 39 teeth, designed for riders who demand race-proven drivetrain performance. Built to the same exacting standards trusted by AMA Superbike competitors, this sprocket delivers precise power transfer and long-lasting durability in a weight-saving package.

Key Features:

• 39-Tooth Configuration – Optimized tooth count for balanced acceleration and top-end performance
• Lightweight Aluminum Construction – Reduces rotating mass for improved throttle response and overall performance
• 100% CNC Machined in the USA – Manufactured to tight tolerances for concentricity and quiet operation
• Specially Formulated Alloy – Material engineered to Vortex's own specifications for superior strength-to-weight ratio
• Saber Tooth Groove Design – Vortex's patented tooth profile promotes self-cleaning and increases sprocket longevity
• Black Anodized Finish – Corrosion-resistant anodized coating with a clean, aggressive appearance
• Vortex Patented Sprocket Design – Proven geometry unlike any other sprocket on the market

Vortex Racing has been manufacturing top-quality motorcycle racing components in the United States for decades, with direct feedback from professional race teams worldwide ensuring each product meets the highest performance standards. The 414EZK-39 rear sprocket is an ideal replacement or performance upgrade for riders looking to fine-tune their gear ratios or refresh worn drivetrain components.