Vortex 490ZR-39 Steel Rear Sprocket 39-Tooth

The Vortex 490ZR-39 is a 39-tooth steel rear sprocket engineered for performance motorcycle applications. Part of Vortex's trusted 490 series, this sprocket is precision-machined from high-strength steel and features a zinc-plated finish for enhanced corrosion resistance and long service life.

Key Features:

• 39-Tooth Configuration — provides a balanced ratio between acceleration and top-end performance
• High-Strength Steel Construction — built to withstand demanding street and track use
• Zinc-Plated Finish — corrosion-resistant coating extends sprocket life
• Precision CNC Machining — tight tolerances ensure smooth, consistent chain engagement
• Direct OEM Replacement — bolt-on fitment with no modifications required
• Vortex 490 Series — designed for compatibility with standard 520 or applicable chain pitch per fitment specs

Vortex Racing is a USA-based manufacturer known for producing high-quality sprockets, clip-on handlebars, and rearsets trusted by racers and street riders alike. The 490ZR-39 delivers reliable power transfer and durability whether on the track or the street.