Vortex 839ZR-40 Aluminum Rear Sprocket 40-Tooth

The Vortex 839ZR-40 is a lightweight aluminum rear sprocket designed for high-performance motorcycle applications. This 40-tooth sprocket is part of Vortex Racing's 839 series, engineered to deliver exceptional durability and precision for both racing and street use.

Key Features:

• 100% CNC manufactured in the USA from specially formulated aerospace-grade aluminum alloy
• Silver anodized finish to prevent corrosion and maintain appearance
• Patented tooth design engineered to increase sprocket longevity and optimize power transfer
• Lightweight construction reduces rotational mass for improved acceleration
• Precision machined to tight tolerances for smooth, quiet operation
• 40-tooth configuration for customized gearing ratios

Vortex Racing sprockets are trusted by professional racers worldwide and manufactured to the highest standards in the industry. Each sprocket undergoes rigorous quality control to ensure maximum performance and reliability under demanding conditions.