Vortex 337-39 Aluminum Rear Sprocket 520 Pitch 39 Tooth Silver

The Vortex 337-39 is a 39-tooth aluminum rear sprocket designed for motorcycles running a 520 pitch drive chain. Part of Vortex's popular 337 series road sprocket lineup, this sprocket is CNC-machined from high-quality aluminum alloy to Vortex's precise specifications, delivering an ideal balance of lightweight performance and durability.

Key Features:

• 520 pitch chain compatibility — designed for standard 520 drive chains used on a wide range of street and sport motorcycles
• 39-tooth rear sprocket — provides a well-balanced gear ratio suitable for street and performance riding
• Lightweight aluminum construction — reduces rotating mass compared to OEM steel sprockets for improved throttle response and acceleration
• Silver electrically coated finish — provides a brighter, corrosion-resistant appearance
• Vortex patented sprocket design — precision-engineered tooth profile for smooth chain engagement and extended wear life
• Saber tooth grooves — promote self-cleaning to help shed debris and reduce buildup during riding
• Lightening holes further reduce weight without compromising structural integrity

The Vortex 337-39 rear sprocket is a direct replacement or performance upgrade option for riders seeking reduced drivetrain weight and reliable power transfer. Sold individually.