Vortex 120ZR40 Rear Aluminum Sprocket Pitch Sprockets - 120 40-Tooth

The Vortex 120ZR40 is a 40-tooth rear aluminum sprocket designed for 120 pitch chain applications. Built to race-proven standards, this sprocket is 100% CNC machined in the USA from specially formulated billet aluminum per Vortex's own material specifications, delivering exceptional strength at a reduced weight compared to steel alternatives.

Key Features:

• 7075 T6 billet aluminum construction — lightweight design reduces rotating mass for improved throttle response
• 100% CNC machined in the USA to tight tolerances for precise fitment and consistent performance
• Unique saber-tooth groove design increases sprocket longevity and reduces chain wear
• Anodized finish provides corrosion resistance and a clean, durable appearance
• 40-tooth rear sprocket for 120 pitch chain
• Designed and tested with direct feedback from professional race teams worldwide

Vortex Racing has been manufacturing top-quality motorcycle racing components for over 15 years, trusted by champions across Motocross, Supercross, Road Racing, and Flat Track disciplines. The 120ZR40 delivers the same race-level precision and durability that professionals demand, in a direct-fit rear sprocket.