Vortex 491A-53 Silver 53-Tooth 520-Pitch Aluminum Rear Sprocket

The Vortex 491A-53 is a 53-tooth, 520-pitch silver aluminum rear sprocket engineered for motorcycle road racing, Supercross, Motocross, and high-performance street applications. Machined from lightweight 7075 T6 billet aluminum, this sprocket delivers a significant weight savings over OEM steel units, reducing rotating mass for improved throttle response and acceleration.

Key Features:

• 53-Tooth / 520-Pitch rear sprocket — silver anodized aluminum finish
• 100% CNC machined to tight tolerances for precise chain engagement
• Vortex patented saber tooth groove design for extended sprocket longevity
• Electrically coated with Cat 5 anodizing for a bright, durable finish
• Lightweight 7075 T6 billet aluminum construction reduces rotating mass
• Specially formulated alloy per Vortex Racing specifications
• Compatible with standard 520-pitch drive chains

Vortex Racing is a U.S.-based manufacturer with over 15 years of experience producing top-quality motorcycle racing components. Their parts are developed and tested with direct feedback from professional race teams worldwide, ensuring race-proven performance and durability on the street or track.