Vortex 642CZLV4-43 VTX Aluminum Rear Sprocket Pitch Sprockets - 43-Tooth 520

The Vortex 642CZLV4-43 is a 43-tooth aluminum rear sprocket from Vortex's VTX series, engineered for sport and performance motorcycle applications running a 520 pitch chain. Vortex is a leading manufacturer of precision-machined drivetrain components, trusted by both track riders and street enthusiasts for superior quality and consistency.

Key Features:

• 43-tooth rear sprocket for precise final drive ratio tuning
• 520 chain pitch compatibility
• Lightweight aluminum construction reduces unsprung and rotating mass for improved throttle response and acceleration feel
• CNC-machined from high-grade aluminum alloy for tight tolerances and a precision fit
• Hard anodized finish for corrosion resistance and long service life
• Designed as a direct OEM-style replacement or performance upgrade
• Part of Vortex's VTX sprocket lineup, known for consistent quality across street and track use

Swapping to the correct tooth count allows riders to fine-tune acceleration, top speed, and overall gearing characteristics. The Vortex 642CZLV4-43 delivers a reliable, performance-oriented solution for riders seeking a durable, lightweight rear sprocket upgrade.