Vortex 840ZGV4-40 VTX Aluminum Rear Sprocket 40-Tooth

The Vortex 840ZGV4-40 is a 40-tooth aluminum rear sprocket from Vortex Racing's VTX series, engineered for riders who demand lightweight performance without sacrificing durability. Precision-machined from high-grade aluminum alloy, this sprocket delivers a significant weight reduction over stock steel sprockets while maintaining the strength and wear resistance needed for street and track use.

Key Features:

• 40-Tooth rear sprocket for precise final drive ratio tuning
• Manufactured from high-grade aluminum alloy for maximum weight savings
• Precision CNC-machined for tight tolerances and consistent fitment
• Part of Vortex's VTX series — designed for high-performance applications
• Hard-anodized finish for corrosion resistance and extended service life
• Lightweight construction reduces unsprung rotational mass for improved throttle response and acceleration
• Direct OEM-replacement fitment — no modifications required

Vortex sprockets are a trusted upgrade among sport bike and powersports enthusiasts worldwide. The 840ZGV4-40 is a direct bolt-on replacement that allows riders to fine-tune gearing for their specific riding style, whether optimizing for top speed or low-end torque. Compatible with 840-pitch chain applications.