Vortex 422B-39 Black 39-Tooth Steel Rear Sprocket

The Vortex 422B-39 is a 39-tooth steel rear sprocket with an electro-plated satin black finish, designed for high-performance street and racing applications. Built to the exacting standards that have made Vortex Racing a trusted name in professional motorsports, this sprocket delivers reliable power transfer and long service life.

Key Features:

• 39-Tooth, Steel Construction: Manufactured from carbon steel alloy to Vortex's proprietary specifications for maximum strength and durability
• Black Electro-Plated Finish: Satin black electro-plating resists corrosion for lasting appearance and protection
• Hardened Teeth: Heat-treated teeth maintain structural integrity through thousands of miles without loss of strength
• Patented Tooth Design: Vortex's unique, patented tooth geometry increases sprocket longevity and optimizes chain engagement
• USA Made: 100% manufactured in the United States to tight tolerances using premium materials
• Race Proven: Tested on the track with direct feedback from top professional race teams worldwide

The 422B series steel rear sprocket is an excellent choice for riders seeking a durable, corrosion-resistant upgrade over OEM sprockets, whether for street riding, Motocross, Supercross, Road Racing, or Flat Track applications. Always replace the sprocket in conjunction with a new chain for optimal performance and wear life.