Vortex 338ZO-39 Aluminum Rear Sprocket 39 Tooth

The Vortex 338ZO-39 is a high-performance aluminum rear sprocket featuring 39 teeth, designed for motorcycle applications requiring precision gearing and weight reduction. Manufactured by Vortex Racing in the USA, this sprocket is CNC-machined from aerospace-grade aluminum alloy formulated to Vortex's exacting specifications for optimal strength-to-weight ratio.

Key Features:

• 39-tooth aluminum rear sprocket for fine-tuning gear ratios
• 100% CNC manufactured in the USA to tight tolerances
• Specially formulated aerospace-grade aluminum alloy
• Anodized finish prevents corrosion and enhances durability
• Patented tooth design increases sprocket longevity
• Reduced rotational mass improves acceleration and throttle response
• Ensures concentricity for smooth power transfer

Vortex sprockets are trusted by professional race teams and enthusiasts worldwide for their superior craftsmanship, reliability under extreme conditions, and ability to optimize performance through precise gear ratio adjustments. The lightweight aluminum construction provides significant weight savings over steel sprockets while maintaining the durability needed for high-performance riding.