Vortex 435KV4-40 VTX Aluminum Rear Sprocket 40T

The Vortex 435KV4-40 is a high-performance aluminum rear sprocket featuring 40 teeth, designed as a direct OEM replacement or performance upgrade for compatible motorcycles. Part of Vortex's popular KV4 series, this sprocket is precision CNC-machined from high-strength 7075-T6 aluminum for an exceptional strength-to-weight ratio that reduces unsprung rotational mass compared to steel alternatives.

Key Features:

• Material: CNC-machined 7075-T6 aluminum for lightweight durability
• Tooth Count: 40 teeth
• Hard anodized finish for corrosion resistance and extended wear life
• Precision laser-cut tooth profile for smooth, quiet chain engagement
• Direct bolt-on fitment — no modifications required
• Significant weight savings over stock steel sprockets
• Compatible with standard chain pitch for the KV4 application

Vortex Racing is a USA-based manufacturer renowned for producing competition-grade sprockets trusted by professional racers and street riders alike. The 435KV4-40 delivers race-proven reliability in a street-friendly package, making it an ideal upgrade for riders seeking improved throttle response and reduced drivetrain weight.