Vortex 839ZB-47 Aluminum Rear Sprocket 47-Tooth Silver

The Vortex 839ZB-47 is a lightweight aluminum racing rear sprocket with 47 teeth, designed for high-performance motorcycle applications. This sprocket is part of Vortex Racing's premium CAT5 line, engineered to reduce rotating mass and improve acceleration and handling compared to heavier OEM steel sprockets.

Key Features:

• 100% CNC manufactured in the USA from specially formulated aerospace-grade aluminum alloy per Vortex specifications
• Silver anodized finish to prevent corrosion and maintain long-lasting appearance
• Patented tooth design with unique profile that increases sprocket longevity and reduces chain wear
• Lightweight construction reduces rotating mass for improved throttle response and handling
• Precision machined to tight tolerances for proper chain alignment and smooth operation
• Race-proven design tested by professional teams in motocross, supercross, and road racing worldwide

Vortex Racing has been manufacturing premium motorcycle racing components for over 15 years, earning a reputation among racers and enthusiasts for absolute quality and performance. Each sprocket undergoes rigorous quality control to ensure it meets the demanding standards required for competitive racing and high-performance street riding.