Vortex 775ZB-51 Black 51-Tooth 520-Pitch Rear Sprocket

The Vortex 775ZB-51 is a 51-tooth, 520-pitch aluminum rear sprocket finished in a striking black anodized coating. Engineered by Vortex Racing — a U.S.-based manufacturer with decades of motorsport heritage — this sprocket is built to perform on the street and on the track.

Key Features:

• 51-Tooth, 520-Pitch rear sprocket for precise gearing options
• Black anodized finish for corrosion resistance and aggressive appearance
• 100% CNC machined from lightweight aluminum for reduced rotating mass
• Vortex patented tooth design with saber-tooth grooves for extended sprocket longevity
• Lightening holes reduce overall weight without sacrificing structural integrity
• Made in the USA to tight manufacturing tolerances
• Compatible with standard 520-pitch drive chains

Vortex Racing sprockets are tested on the track with feedback from professional race teams worldwide, making the 775ZB-51 a trusted upgrade for riders seeking performance-grade drivetrain components.