Vortex 491AZR-38 Aluminum Rear Sprocket 38-Tooth 520 Pitch Red

The Vortex 491AZR-38 is a 38-tooth aluminum rear sprocket finished in a striking red anodize, designed for performance motorcycle applications using a 520-pitch chain. Built to Vortex's exacting standards, this sprocket delivers a winning combination of low rotating mass and long service life — making it a top choice for both street riders and track day enthusiasts.

Key Features:

• 38-Tooth / 520 Pitch — direct-fit replacement or performance gearing upgrade for compatible 520-chain equipped motorcycles
• Lightweight aluminum construction — reduces rotating mass to improve throttle response and overall performance
• Red anodized finish — corrosion-resistant finish adds a distinctive, race-inspired appearance
• 100% CNC machined in the USA — precision manufacturing ensures consistent fitment and concentricity
• Vortex patented tooth design — unique tooth geometry increases sprocket longevity and chain engagement
• Specially formulated alloy — aluminum alloy developed to Vortex's own specifications for optimal strength-to-weight ratio

The 491AZR-38 is part of Vortex Racing's industry-leading rear sprocket lineup, trusted by racers and riders worldwide. Whether you're fine-tuning your gearing ratio for better acceleration or replacing a worn sprocket, this Vortex aluminum sprocket delivers precision performance right out of the box.