Vortex 839AZRV4-40 VTX Aluminum Rear Sprocket 40T Silver Anodized

The Vortex 839AZRV4-40 is a lightweight, high-performance aluminum rear sprocket designed for motorcycle racing and performance street applications. With a 40-tooth count and a silver anodized finish, this sprocket delivers a winning combination of durability, precision, and weight savings over standard steel sprockets.

Key Features:

• 100% CNC Manufactured in the USA — precision-machined to exacting tolerances for consistent performance
• Specially Formulated Aluminum Alloy — engineered to Vortex's proprietary specifications for optimal strength-to-weight ratio
• Silver Anodized Finish — electrically coated for corrosion resistance and a brighter, lasting appearance
• Unique Tooth Design — Vortex's exclusive tooth geometry helps increase sprocket longevity and reduces chain wear
• Lightweight Construction — reduces rotating mass for improved throttle response, acceleration, and deceleration
• 40 Teeth — bolt-on rear sprocket for compatible applications in the RV4 fitment group

Vortex Racing sprockets are the preferred choice of racers and performance riders who demand precision-engineered drivetrain components. The 839AZRV4-40 is built to deliver race-proven performance whether on the track or the street.