Vortex 839C-42 Aluminum Rear Sprocket 42-Tooth

The Vortex 839C-42 is a high-performance aluminum rear sprocket engineered for racing applications where weight savings and durability are critical. This 42-tooth sprocket is precision CNC-manufactured in the USA from specially formulated 7075-T6 aluminum alloy to meet Vortex's exacting specifications.

Key Features:

• 42-tooth aluminum racing sprocket with lightweight construction
• 100% CNC machined in the USA for precise tolerances
• 7075-T6 billet aluminum reduces rotating mass for improved acceleration
• Color anodized finish prevents corrosion and adds durability
• Vortex patented tooth design increases sprocket longevity
• Reduces weight compared to steel sprockets for better performance

Vortex Racing sprockets are trusted by professional race teams worldwide in Motocross, Supercross, Road Racing, and Flat Track competition. The reduced rotating mass improves acceleration, deceleration, and directional changes, helping put more power to the pavement where it counts.