Vortex 839AZGV4-43 Aluminum Rear Sprocket 43-Tooth

The Vortex 839AZGV4-43 is a 43-tooth aluminum rear sprocket from Vortex Racing, engineered for motorcycle road racing and performance street riding. Built to exacting standards in the USA, this sprocket delivers a significant weight reduction over steel alternatives, reducing rotating mass for improved throttle response and quicker acceleration.

Key Features:

• Lightweight aluminum construction — reduces rotating mass for improved acceleration and deceleration response
• 100% CNC manufactured in the USA — machined to tight tolerances for precise fitment and consistent performance
• Specially formulated alloy per Vortex specifications — optimized for strength-to-weight ratio in demanding race conditions
• Silver anodized finish — corrosion-resistant surface treatment extends sprocket life
• Vortex patented unique tooth design — engineered to increase sprocket longevity and reduce chain wear
• 43 teeth — suited for tuning final drive ratio for specific track or street applications

Vortex Racing has been producing top-quality motorcycle racing components since 1995, trusted by professional race teams worldwide. The 839-series sprocket pattern is designed for specific aftermarket wheel fitments — confirm your wheel hub pattern prior to ordering.