Vortex 610ZK-49 520 Aluminum Rear Sprocket 49-Tooth Black

The Vortex 610ZK-49 is a 49-tooth, 520-pitch aluminum rear sprocket finished in a black anodized coating. Engineered for riders seeking a lightweight performance upgrade over their stock steel sprocket, this sprocket reduces rotating mass for improved throttle response and more efficient power transfer to the rear wheel.

Key Features:

• 100% CNC machined in the USA to exacting tolerances for precise fitment and consistent performance
• Aerospace-grade aluminum construction with a specially formulated alloy developed per Vortex specifications
• Black anodized finish (ZK designation) for corrosion resistance and a clean, race-inspired appearance
• 49 teeth, 520 pitch — allows for gearing adjustments to suit street or track riding styles
• Unique tooth profile based on Vortex's patented design to maximize sprocket longevity and reduce chain wear
• Reduces rotational mass compared to OEM steel sprockets, aiding acceleration and overall drivetrain efficiency

Vortex Racing is a trusted name in motorcycle drivetrain components, with products tested at the highest levels of professional racing worldwide. The 610ZK-49 is the ideal choice for riders looking to fine-tune their final drive ratio or replace a worn OEM sprocket with a high-quality, performance-oriented alternative.