Vortex 144BZR-39 Aluminum Rear Sprocket 39-Tooth Black

The Vortex 144BZR-39 is a high-performance aluminum rear sprocket designed for motorcycle racing and sport riding applications. This 39-tooth rear sprocket combines lightweight construction with exceptional durability to deliver optimal power transfer and enhanced acceleration.

Key Features:

• Constructed from 7075-T6 aerospace-grade billet aluminum for maximum strength and minimal weight
• Black zinc coating provides superior corrosion resistance and a sleek appearance
• 100% CNC machined with Vortex's patented tooth design to increase sprocket longevity
• Saber tooth grooves reduce weight while maintaining structural integrity
• Precision-engineered to the tightest tolerances for smooth, reliable operation
• 39-tooth configuration allows for customized gearing ratios

Manufactured in the USA by Vortex Racing, a company owned and operated by motorcycle racers and enthusiasts with over 15 years of experience. Each Vortex sprocket is track-tested with direct feedback from top professional race teams worldwide, ensuring championship-level performance and reliability for both street and track use.