Vortex 313ZR-45 Black Aluminum 45-Tooth 520-Pitch Rear Sprocket

The Vortex 313ZR-45 is a 45-tooth, 520-pitch black anodized aluminum rear sprocket designed for performance motorcycle applications. Manufactured in the USA, Vortex sprockets are a top choice among racers and enthusiasts who demand precision-engineered drivetrain components.

Key Features:

• 45-Tooth / 520 Pitch: Bolt-on fitment for bikes running a 520-pitch chain; the 45-tooth count offers a popular gearing ratio for enhanced low-end torque and acceleration
• Black Anodized Aluminum Construction: Lightweight aluminum reduces rotating mass compared to steel, putting more power to the pavement while the hard anodized finish resists corrosion and wear
• CNC Machined in the USA: 100% CNC manufactured to tight tolerances for consistent, concentric fitment and smooth chain engagement
• Saber-Tooth Groove Design: Vortex's patented tooth geometry increases sprocket longevity and promotes clean chain seating
• Race-Proven Quality: Developed with feedback from professional race teams and tested on the track for real-world durability

The Vortex 313ZR-45 rear sprocket is an ideal upgrade for riders looking to fine-tune their motorcycle's final drive ratio for improved acceleration response. The black anodized finish gives the sprocket an aggressive, race-ready appearance while providing lasting corrosion resistance.