Vortex 780ZK-39 VTX Aluminum Rear Sprocket 39T

The Vortex 780ZK-39 is a high-performance VTX series aluminum rear sprocket designed as a direct-fit replacement or performance upgrade for compatible motorcycles. Machined from lightweight, high-strength aluminum alloy, this sprocket delivers excellent power transfer while reducing unsprung rotational mass for improved throttle response and acceleration.

Key Features:

• 39-Tooth Rear Sprocket — maintains smooth, precise chain engagement
• Lightweight Aluminum Construction — significantly reduces weight compared to steel sprockets
• CNC Machined — precision manufacturing ensures accurate tooth geometry and consistent fitment
• Hard Anodized Finish — resists corrosion and wear for extended service life
• Direct OEM Replacement — bolt-on fitment for easy installation
• Part of the Vortex VTX Series — engineered to work seamlessly with compatible Vortex chain and sprocket systems

Vortex Racing is a trusted name in the powersports industry, known for producing precision-machined drivetrain components used by both competitive racers and street riders. The 780ZK-39 rear sprocket is an ideal choice for riders looking to reduce drivetrain weight without sacrificing durability or performance.