Vortex 317ZR-39 Aluminum Rear Sprocket 39 Tooth Red

The Vortex 317ZR-39 is a high-performance aluminum rear sprocket designed for serious riders who demand both strength and weight savings. Featuring Vortex's patented sprocket design with a unique tooth profile, this 39-tooth sprocket delivers exceptional durability and extended service life compared to conventional sprockets.

Key Features:

• 39 teeth for precise gearing customization
• Machined from aerospace-grade aluminum alloy per Vortex specifications
• Red anodized finish for corrosion resistance and distinctive appearance
• Patented tooth design increases sprocket longevity
• Significantly lighter than steel sprockets for reduced rotating mass
• Manufactured in the USA with tight tolerances for racing applications

Vortex Racing sprockets are trusted by professional racers worldwide and tested on the track by championship teams. Each sprocket is engineered to achieve maximum lightness without sacrificing strength, making it an ideal choice for road racing, track days, and performance street riding. The 317 series represents Vortex's commitment to producing race-quality components that deliver real-world performance advantages.