Vortex 435ZL-39 Rear Sprocket Aluminum Sprockets - CAT5 39-Tooth 520-Pitch

The Vortex 435ZL-39 is a high-performance CAT5 aluminum rear sprocket designed for serious motorcycle enthusiasts and racers. This 39-tooth sprocket is engineered for 520-pitch chains and delivers the perfect balance of acceleration and top-end speed for sport bikes.

Key Features:

• 39 teeth for 520-pitch chain applications
• Lightweight CAT5 aluminum construction reduces rotational mass
• 100% CNC manufactured in the USA to exacting tolerances
• Specially formulated aluminum alloy per Vortex specifications
• Patented tooth design increases sprocket longevity and optimizes chain engagement
• Anodized finish prevents corrosion and enhances durability
• Unique saber tooth grooves for superior chain retention

Vortex Racing has been manufacturing premium motorcycle racing components since 1995. Owned and operated by motorcycle racers and enthusiasts, each component is precision-engineered and tested on the track with feedback from top professional race teams worldwide. The 435 series sprockets are trusted by racers in Motocross, Supercross, Road Racing, and Flat Track competitions.