Vortex 313ZL-40 Aluminum Rear Sprocket 40T

The Vortex 313ZL-40 is a high-performance 40-tooth aluminum rear sprocket engineered for competitive motorcycle use. Vortex Racing sprockets are precision-machined from aerospace-grade 7075-T6 aluminum, delivering an optimal balance of lightweight construction and exceptional durability on both the street and track.

Key Features:

• 40 Teeth — ZL-series rear sprocket for precise fitment and gearing options
• Lightweight Aluminum Construction — Machined from high-strength aluminum alloy to reduce unsprung rotational mass
• Hard Anodized Finish — Provides corrosion resistance and extended wear life
• Precision CNC Machined — Tight tolerances ensure smooth chain engagement and consistent performance
• Direct OEM Replacement Fit — Bolt-on installation with no modifications required
• Vortex Racing Quality — Trusted by professional racers and serious enthusiasts worldwide

The Vortex 313ZL-40 rear sprocket is an excellent upgrade or direct replacement for riders looking to fine-tune their gearing for acceleration, top speed, or track-specific performance. Compatible with standard drive chain sizes for the applicable fitment.