Vortex 201EZK-57 Steel Rear Sprocket 57-Tooth

The Vortex 201EZK-57 is a 57-tooth steel rear sprocket designed for motorcycle applications requiring OEM-equivalent durability with precision-engineered performance. Built to Vortex Racing's exacting standards, this sprocket is manufactured from high-tensile carbon steel alloy and features a patented tooth profile that optimizes chain engagement for smooth, reliable power transfer.

Key Features:

• 57-Tooth Rear Sprocket — provides a higher final drive ratio suited for increased low-end torque and acceleration
• High-tensile carbon steel construction — delivers maximum wear resistance and long service life
• Precision CNC machined to tight tolerances for concentricity and quiet operation
• Patented Vortex tooth design — engineered for ideal chain hold and release, extending both sprocket and chain life
• Corrosion-resistant finish — silver anodized or electro-plated satin finish to resist rust and oxidation
• Direct OEM-style replacement fit — no modifications required for installation

Vortex Racing sprockets are trusted by professional racers and street riders alike. The steel construction of the 201EZK-57 makes it an ideal choice for riders who prioritize durability over weight savings, particularly for street or touring use. Pair with a compatible Vortex front sprocket and a same-pitch chain for a complete drivetrain solution.