Vortex 775BZR-39 Steel Rear Sprocket 39T

The Vortex 775BZR-39 is a steel rear sprocket featuring 39 teeth, designed as a direct OEM replacement or performance upgrade for compatible motorcycles. Vortex sprockets are manufactured to exacting tolerances and are a trusted choice among sport bike riders and racers looking for reliable drivetrain components.

Key Features:

• 39-tooth rear sprocket for stock or near-stock gearing
• Constructed from high-quality steel for excellent durability and wear resistance
• Precision CNC-machined for consistent tooth profile and smooth chain engagement
• Direct bolt-on fitment — no modifications required
• Compatible with standard motorcycle drive chains for the applicable fitment
• Black zinc finish for corrosion resistance

Vortex is a leading American manufacturer of motorcycle sprockets, offering a wide range of tooth counts to fine-tune acceleration and top-speed characteristics. The BZR series steel sprockets deliver long service life and dependable performance for street and track applications alike.