Vortex 404ZL-51 CAT5 Silver Aluminum Rear Sprocket 520 Pitch 51-Tooth

The Vortex 404ZL-51 is a 51-tooth, 520-pitch aluminum rear sprocket from Vortex Racing's CAT5 series, finished in silver anodize. Precision-engineered for street and track riders who demand performance without compromise, this sprocket is a direct fit for compatible motorcycles using the 404 bolt pattern.

Key Features:

• 51-Tooth / 520 Pitch: Engineered for compatible 520-chain drivetrains
• Lightweight Aluminum Construction: CNC-machined from a specially formulated aluminum alloy per Vortex specifications, reducing rotating mass for improved throttle response
• Silver Anodized Finish: Corrosion-resistant anodizing protects the sprocket and maintains appearance over time
• Vortex Patented Tooth Design: Unique tooth profile increases sprocket longevity and promotes smooth chain engagement
• 100% CNC Manufactured in the USA: Ensures precise concentricity and consistent quality
• Lightening Holes: Strategically placed to further reduce weight without sacrificing strength
• CAT5 Series Fitment: Designed for the 404 bolt-pattern carrier used on specific motorcycle models

Whether you're dialing in gear ratios for the track or replacing worn OEM hardware with a premium upgrade, the Vortex 404ZL-51 delivers the quality and performance that Vortex Racing is known for.