Vortex 610ZR-39 Aluminum Rear Sprocket 39-Tooth Red Anodized

The Vortex 610ZR-39 is a 39-tooth aluminum rear sprocket finished in a striking red anodize, designed as a direct-fit performance replacement for motorcycles using the 610-series bolt pattern. Built to Vortex's exacting standards, this sprocket delivers a lightweight advantage over stock steel units while maintaining the durability and precision expected from a leading performance sprocket manufacturer.

Key Features:

• 39 Teeth — for precise gear ratio tuning and optimal power delivery
• Lightweight Aluminum Construction — reduces rotational mass compared to OEM steel sprockets for improved throttle response and acceleration
• Red Anodized Finish — corrosion-resistant anodize provides long-lasting color and surface protection
• Precision CNC Machined — manufactured to tight tolerances for concentricity, ensuring smooth, quiet chain engagement and reduced wear
• Lightening Holes — strategically placed to further minimize unsprung rotational weight
• 610-Series Bolt Pattern — designed to fit specific motorcycle models using the 610 carrier/bolt configuration

Vortex rear sprockets are a trusted upgrade for street riders and track enthusiasts alike, offering a direct replacement or gearing customization option. Always replace the chain and front sprocket simultaneously when installing a new rear sprocket to ensure even wear and maximum drivetrain longevity.