Vortex 775ZR-39 Steel Rear Sprocket 39-Tooth

The Vortex 775ZR-39 is a 39-tooth steel rear sprocket designed as a direct OEM replacement or performance upgrade for compatible motorcycles. Engineered by Vortex Racing, a trusted name in motorcycle drivetrain components, this sprocket delivers reliable power transfer and long-lasting durability under demanding riding conditions.

Key Features:

• 39-Tooth configuration for precise gearing to match OEM specifications or desired performance tuning
• High-strength steel construction for superior durability and extended service life compared to aluminum alternatives
• Precision CNC machined for consistent tooth profile and optimal chain engagement
• Direct bolt-on fitment — no modifications required for compatible applications
• Compatible with 520 chain pitch (verify chain compatibility for your specific application)
• Finished with a corrosion-resistant coating to withstand road and track environments

The Vortex 775ZR series rear sprocket is a popular choice among street riders and track enthusiasts seeking a durable, cost-effective steel sprocket solution. Ideal for riders who prioritize longevity and strength over weight savings.