Vortex 491AZK-48 Aluminum Rear Sprocket 48-Tooth Black Anodized

The Vortex 491AZK-48 is a 48-tooth aluminum rear sprocket finished in a black anodized coating, built for motorcycle riders who demand lightweight performance without sacrificing durability. As part of Vortex's trusted aluminum sprocket lineup, this unit is 100% CNC machined in the USA from a specially formulated aluminum alloy developed to Vortex's precise specifications.

Key Features:

• Lightweight aluminum construction — reduces rotating mass compared to OEM steel sprockets, improving throttle response and acceleration
• Black anodized finish — provides corrosion resistance and a clean, aggressive appearance
• 100% CNC manufactured in the USA — machined to extremely tight tolerances for concentricity and accurate fit
• Vortex patented tooth design — unique profile increases sprocket longevity and maximizes chain life
• 48 teeth — suited for riders seeking increased low-end torque and improved acceleration gearing
• Specially formulated alloy per Vortex specifications for optimal strength-to-weight ratio

Vortex rear sprockets are a proven choice among both track racers and street riders seeking a performance upgrade over stock. The 491AZK-48 delivers the precision fitment and consistent power transfer that Vortex is known for, making it a reliable replacement or gearing upgrade for compatible motorcycles.