Vortex 523-45 Silver 45-Tooth 520-Pitch Aluminum Rear Sprocket

The Vortex 523-45 is a silver anodized, 45-tooth rear sprocket designed for 520-pitch motorcycle drive chains. Built to Vortex's exacting race standards, this sprocket is CNC-machined in the U.S.A. from a specially formulated lightweight aluminum alloy, making it a proven choice for street riders and racers alike.

Key Features:

• 45 Teeth — 520 chain pitch compatibility
• Lightweight aluminum construction — reduces rotating mass for improved throttle response and acceleration
• Silver anodized finish — provides corrosion resistance and a clean appearance
• 100% CNC manufactured in the U.S.A. — precision machined to tight tolerances
• Patented Vortex tooth design — unique profile engineered to extend sprocket longevity
• Specially formulated alloy — developed specifically to Vortex's performance specifications

Vortex Racing has been manufacturing top-quality motorcycle drivetrain components for Motocross, Supercross, Road Racing, Flat Track, and Minibike applications for over 15 years. The 523-45 rear sprocket is an ideal replacement or performance upgrade for motorcycles running a 520-pitch chain system.