Vortex 436ZR-39 CAT5 Aluminum Rear Sprocket 39-Tooth Red

The Vortex 436ZR-39 is a 39-tooth CAT5 aluminum rear sprocket finished in a striking red anodized color with contrasting silver machine cuts. Engineered for performance-oriented riders, this sprocket is a lightweight, high-performance upgrade over the stock steel unit, reducing rotating mass for improved throttle response and acceleration.

Key Features:

• CAT5 Lightweight Aluminum Construction: Specially formulated alloy per Vortex specifications for the optimal balance of strength and weight savings
• 100% CNC Machined in the USA: Precision manufacturing ensures a perfectly concentric sprocket every time, freeing horsepower and extending chain and sprocket life
• Vortex Patented Saber Tooth Design: Unique tooth profile reduces friction and drag for better acceleration and deceleration, and increases overall sprocket longevity
• Red Anodized Finish: Vibrant red anodizing with bright silver machined highlights for a premium appearance; anodized finish helps resist corrosion
• 39 Teeth: Available in single-tooth increments to fine-tune your gearing ratio
• Sold Individually: Package quantity of 1 sprocket

The Vortex 436ZR-39 is the racer's choice for reducing rotating weight and maximizing drive efficiency. Its precision CNC construction and patented tooth geometry make it a direct performance upgrade for riders looking to optimize their drivetrain.