Vortex 839-42 Silver Aluminum 42-Tooth Rear Sprocket

The Vortex 839-42 is a premium lightweight aluminum rear sprocket designed for high-performance motorcycle applications. Featuring 42 teeth and constructed from specially formulated 7075-T6 billet aluminum, this racing sprocket delivers optimal power transfer while reducing rotational mass for improved acceleration, deceleration, and directional changes.

Key Features:

• 42-tooth aluminum rear sprocket with Vortex patented tooth design
• 100% CNC manufactured in the USA to tight tolerances
• 7075-T6 billet aluminum construction for superior strength-to-weight ratio
• Silver anodized finish prevents corrosion and enhances durability
• Unique tooth profile increases sprocket longevity and reduces wear
• Lightweight design reduces rotating mass for better performance
• Aerospace-grade materials for exceptional reliability

Vortex Racing has been manufacturing premium motorcycle racing components for over 15 years, with products tested and proven by professional race teams worldwide in Motocross, Supercross, Road Racing, and Flat Track applications. Each component is manufactured to exacting specifications using the highest quality materials available.