Vortex 824ZB-39 CAT5 Rear Sprocket 39 Tooth Black Zinc

The Vortex 824ZB-39 is a high-performance CAT5 rear sprocket designed for demanding motorcycle applications. This 39-tooth sprocket features a durable black zinc-plated finish that provides excellent corrosion resistance while maintaining a sleek appearance.

Key Features:

• 39-tooth configuration for optimal gearing performance
• CAT5 aluminum construction with steel insert for superior strength-to-weight ratio
• Black zinc-plated finish resists corrosion and wear
• CNC-machined from high-grade 7075-T6 aluminum alloy
• Steel rear insert extends sprocket life and ensures precise fitment
• Laser-etched tooth count marking for easy identification
• Self-cleaning mud groove design helps maintain performance in all conditions

Vortex CAT5 sprockets are engineered to meet or exceed OEM specifications, providing reliable performance for street, track, and racing applications. The combination of lightweight aluminum construction with a hardened steel center section delivers exceptional durability without unnecessary weight.