Vortex 775ZR-51 Aluminum Rear Sprocket 520 Pitch 51-Tooth Red

The Vortex 775ZR-51 is a high-performance aluminum rear sprocket designed for competitive motorcycle applications. Featuring a 51-tooth count on a 520 pitch chain, this sprocket is engineered for riders seeking a balance of aggressive acceleration gearing and lightweight drivetrain performance.

Key Features:

• Material: Lightweight aluminum construction reduces rotating mass for improved throttle response
• Chain Pitch: 520 pitch compatibility
• Tooth Count: 51 teeth
• Finish: Red anodized for corrosion resistance and aggressive styling
• Manufacturing: 100% CNC machined in the USA to tight tolerances
• Design: Features Vortex's signature saber tooth groove pattern for optimized chain engagement and mud/debris evacuation

Vortex Racing is a U.S.-based manufacturer with over 15 years of experience producing top-quality motorcycle racing components for Motocross, Supercross, Road Racing, and Flat Track Racing. Each sprocket is engineered to exacting standards and tested with feedback from professional race teams worldwide. The 775ZR-51 is an ideal upgrade for riders looking to increase rear wheel drive ratio for improved low-end acceleration and off-the-line performance.