Vortex 780ZK-45 Black 45-Tooth Aluminum Rear Sprocket

The Vortex 780ZK-45 is a 45-tooth, black anodized aluminum rear sprocket engineered for performance-focused motorcycle riders and racers. Built to Vortex's exacting standards, this sprocket delivers a significant weight reduction over OEM steel units, helping reduce rotating mass for improved acceleration and throttle response.

Key Features:

• 45-Tooth Rear Sprocket — Black (ZK) anodized finish with contrasting silver machined accents
• 7075 T6 Aerospace-Grade Aluminum — Specially formulated alloy per Vortex specifications for maximum strength-to-weight ratio
• 100% CNC Machined in the USA — Manufactured to tight tolerances for precise fit and consistent performance
• Patented Tooth Design — Saber tooth grooves and unique tooth profile increase sprocket longevity and reduce chain wear
• Anodized Finish — Hard-coat black anodizing resists corrosion and protects against the elements
• Reduced Rotating Mass — Lightweight aluminum construction aids in putting more power to the pavement

Vortex rear sprockets are a trusted choice among racing teams and performance riders worldwide. The 780ZK-45 is a direct-fit replacement that upgrades your drivetrain with race-proven components built right here in the United States.