Vortex 839AZGV4-42 VTX Aluminum Rear Sprocket 42T Gold Anodized

The Vortex 839AZGV4-42 is a high-performance 42-tooth aluminum rear sprocket from Vortex Racing's VTX series. Precision-machined from lightweight 7075 aluminum alloy and finished in a striking gold hard anodize, this sprocket delivers an excellent combination of reduced rotational mass and long-lasting durability for street and track applications.

Vortex sprockets are manufactured to OEM fitment tolerances, ensuring smooth, precise chain engagement and easy bolt-on installation with no modifications required. The hard-anodized finish resists corrosion, abrasion, and the rigors of demanding riding conditions.

Key Features:

• Tooth Count: 42 teeth
• Material: 7075 aluminum alloy — lightweight and strong
• Finish: Gold hard-anodized for corrosion and wear resistance
• Series: VTX rear sprocket
• Precision CNC-machined for accurate tooth profiles and consistent chain engagement
• Direct OEM replacement — no modifications required
• Designed for performance street and track use

The Vortex VTX aluminum rear sprocket is a popular upgrade for riders seeking to reduce unsprung weight and fine-tune gearing ratios. Pair with a matching Vortex front sprocket and chain for a complete drivetrain package.