Vortex 617ZB-55 Rear Sprocket 55 Tooth Zinc Black Finish

The Vortex 617ZB-55 is a high-quality 55-tooth rear sprocket engineered for precision performance and durability. This sprocket features Vortex's proven design that has been tested by professional racing teams worldwide, delivering reliable power transfer and extended service life.

Key Features:

• 55-tooth rear sprocket configuration for optimized gearing
• Laser-cut carbon steel construction for maximum strength and longevity
• Electroplated zinc black finish provides superior corrosion resistance
• Case-hardened teeth for increased wear resistance
• Drilled lightening holes reduce rotational mass without sacrificing strength
• Precisely manufactured to tight tolerances for smooth operation
• Direct replacement for OEM equipment

Vortex sprockets are manufactured from high-grade materials and undergo rigorous quality control to ensure each component meets the demanding standards required for racing and high-performance street applications. The zinc black finish not only enhances appearance but also extends the life of the sprocket by protecting against the elements.