Vortex 201EZB-57 Steel Rear Sprocket 57-Tooth Satin Black

The Vortex 201EZB-57 is a 57-tooth steel rear sprocket finished in an electro-plated satin black coating for superior corrosion resistance. Engineered by Vortex Racing — a U.S.-based manufacturer trusted by professional race teams worldwide — this sprocket delivers the strength and longevity demanded by serious riders on the street and track.

Key Features:

• 57-Tooth Rear Sprocket for precise gear ratio tuning and low-end torque optimization
• High-tensile carbon steel alloy construction per Vortex specifications for exceptional strength and durability
• Electro-plated satin black (EZB) finish resists corrosion and complements blacked-out drivetrain aesthetics
• Induction-hardened teeth maintain shape and integrity over thousands of miles of use
• Vortex patented unique tooth design optimizes chain engagement and release for smoother, quieter operation
• CNC machined to tight tolerances for improved concentricity and consistent performance
• Manufactured and tested in the USA with direct feedback from professional racing programs

Steel sprockets like the 201EZB-57 offer extended service life compared to aluminum alternatives, making them an ideal choice for high-mileage street riders and off-road enthusiasts who prioritize durability. The satin black electro-plate finish adds corrosion protection without sacrificing the precision fit Vortex is known for.