Vortex 617ZK-42 Steel Rear Sprocket 42-Tooth

The Vortex 617ZK-42 is a 42-tooth steel rear sprocket engineered for performance-minded riders who demand precision, durability, and consistent power transfer. Manufactured by Vortex Racing, a trusted name in motorcycle drivetrain components, this sprocket is CNC-machined from high-quality steel for exceptional strength and long service life.

Key Features:

• 42-tooth rear sprocket configuration for optimized acceleration and gearing
• CNC-machined steel construction for superior strength and wear resistance
• Precision manufacturing ensures exact fitment and smooth chain engagement
• Hard-anodized or heat-treated finish for corrosion resistance and extended durability
• Direct OEM-replacement fit — no modifications required
• Manufactured by Vortex Racing, a leader in motorcycle sprocket technology

The Vortex 617ZK-42 rear sprocket is an excellent choice for street riders and track enthusiasts seeking a reliable, high-performance upgrade over the factory sprocket. Its steel construction provides greater longevity compared to aluminum alternatives, making it ideal for high-mileage applications.