Vortex 490ZB-39 Steel Rear Sprocket 39-Tooth Black

The Vortex 490ZB-39 is a 39-tooth steel rear sprocket with a black finish, engineered for serious street and track riders who demand precision and durability from their drivetrain components. Built to Vortex Racing's exacting standards, this sprocket delivers consistent power transfer and long service life.

Key Features:

• 39-Tooth rear sprocket for precise gear ratio tuning
• Carbon steel alloy construction per Vortex specifications for exceptional strength and wear resistance
• Black electro-plated satin finish for corrosion resistance and aggressive aesthetics
• Unique tooth profile engineered to extend sprocket longevity and reduce chain wear
• Manufactured in the USA to tight tolerances for consistent, reliable fitment
• Race-proven design tested by professional teams in Superbike, Supercross, and Road Racing competition

Specifications:

• Part Number: 490ZB-39
• Teeth: 39T
• Material: Carbon steel alloy
• Finish: Black (satin electro-plated)

Vortex Racing sprockets are a trusted choice for riders looking to replace worn OEM components or fine-tune their motorcycle's acceleration and top-end characteristics. Always replace the front sprocket and chain simultaneously for optimal drivetrain performance and longevity.