Vortex 438ZOV4-40 VTX Aluminum Rear Sprocket 40T

The Vortex 438ZOV4-40 is a 40-tooth VTX series aluminum rear sprocket designed for high-performance street and track applications. Machined from high-grade 7075-T6 aluminum and finished with a hard anodized coating, this sprocket delivers an excellent strength-to-weight ratio while resisting wear and corrosion for extended service life.

Key Features:

• 40 teeth for optimized gearing and acceleration tuning
• CNC-machined from 7075-T6 aluminum for lightweight, high-strength construction
• Hard anodized finish for superior wear and corrosion resistance
• Precision-cut tooth profile for smooth, consistent chain engagement
• VTX series design compatible with standard OEM chain pitch
• Direct OEM replacement fit — no modifications required

Vortex sprockets are a trusted choice among sport bike enthusiasts and racers worldwide. The 438ZOV4-40 is an ideal upgrade for riders looking to reduce unsprung rotating mass and fine-tune their bike's power delivery characteristics.