Vortex 110B-39 Rear Sprocket Aluminum Sprockets - 525 Black 39-Tooth

The Vortex 110B-39 is a 39-tooth, 525-pitch aluminum rear sprocket finished in a sleek black anodized coating. Engineered for performance-focused riders, this sprocket is precision CNC-machined from high-grade aluminum alloy to Vortex's exacting specifications, delivering a significant weight reduction over OEM steel sprockets while maintaining excellent durability and chain engagement.

Key Features:

• Chain Pitch: 525
• Tooth Count: 39 teeth
• Material: High-grade aluminum alloy, CNC-machined
• Finish: Black anodized for corrosion resistance and clean aesthetics
• Patented tooth profile engineered for optimal chain hold, release, and extended sprocket life
• Lightening pockets reduce rotating mass for improved throttle response and acceleration
• Precision manufactured to tight tolerances for true concentricity and smooth power transfer
• Direct OEM-style bolt-on fitment — no modifications required

Vortex has been manufacturing top-quality racing drivetrain components in the USA since 1995. Every sprocket is developed with direct input from professional race teams, making the 110B-39 a proven upgrade for street and track riders looking to optimize gearing performance.