Vortex 491A-50 Silver 50-Tooth 520-Pitch Aluminum Rear Sprocket

The Vortex 491A-50 is a 50-tooth, 520-pitch silver anodized aluminum rear sprocket engineered for motorcycle riders who demand lightweight performance and extended durability. Crafted from a specially formulated alloy per Vortex's exacting specifications, this sprocket delivers a significant weight reduction over OEM steel units, reducing rotating mass for improved acceleration and throttle response.

Key Features:

• 100% CNC machined with Vortex's patented saber tooth groove design for superior chain engagement and longevity
• 520 pitch — compatible with standard 520-series drive chains
• 50 teeth for aggressive gearing tuned to performance riding
• Silver anodized finish provides corrosion resistance and a clean, motorsport aesthetic
• Specially formulated aluminum alloy per Vortex specifications — lightweight yet durable
• Reduced rotating mass contributes to improved acceleration and handling feel
• Proven by professional racing teams and champions at the highest levels of motorsport

The Vortex 491A-50 rear sprocket is a direct upgrade over heavy stock sprockets, delivering race-proven engineering to street and track riders alike. Pair with a Vortex front sprocket and 520-pitch chain for a complete performance drivetrain upgrade.