Vortex 436ZOV4-40 VTX Aluminum Rear Sprocket 40T

The Vortex 436ZOV4-40 is a high-performance 40-tooth aluminum rear sprocket from Vortex Racing's popular VTX series. Precision CNC-machined from lightweight 7075-T6 aluminum, this sprocket delivers an excellent balance of strength, durability, and weight savings over stock steel sprockets — making it a favorite choice for street riders and track day enthusiasts alike.

Vortex sprockets are manufactured to tight tolerances for smooth, consistent chain engagement and reduced drivetrain wear. The hard-anodized finish provides corrosion resistance and extends service life under demanding riding conditions.

Key Features:

• 40-tooth rear sprocket configuration
• CNC-machined from 7075-T6 aerospace-grade aluminum
• Hard-anodized finish for corrosion and wear resistance
• Significant weight reduction compared to OEM steel sprockets
• Precision tooth profile for smooth, quiet chain engagement
• Direct OEM-style bolt-on fitment — no modifications required
• Manufactured by Vortex Racing, a trusted name in powersports drivetrain components

The Vortex VTX series rear sprocket is an ideal upgrade for riders looking to fine-tune their gearing ratio, reduce unsprung rotational weight, and improve overall drivetrain performance. Compatible with standard chain pitches as specified by the 436 carrier fitment designation.