Vortex 313ZB-36 Steel Rear Sprocket 36-Tooth Black

The Vortex 313ZB-36 is a 36-tooth steel rear sprocket finished in an electro-plated satin black coating for corrosion resistance. Engineered by Vortex Racing to meet the demands of road racing, motocross, supercross, and high-performance street riding, this sprocket delivers reliable power transfer and long-lasting durability.

Key Features:

• 36-Tooth steel construction — carbon steel alloy formulated to Vortex specifications for maximum strength
• Satin black electro-plated finish — resists corrosion and provides a clean, aggressive appearance
• Patented Vortex tooth design — unique profile increases sprocket longevity and reduces chain wear
• Precision CNC manufactured — tight tolerances ensure concentricity for smooth, quiet operation
• Induction hardened — surface hardening reduces wear under high-stress racing conditions
• Drilled lightening holes on applicable designs reduce rotating mass

Vortex Racing sprockets are developed and tested with input from top professional race teams worldwide. The 313ZB series is a steel rear sprocket line designed as a direct OEM replacement or performance upgrade, offering superior durability compared to stock components.