Vortex 839AZRV4-48 VTX Aluminum Rear Sprocket 48-Tooth Silver Anodized

The Vortex 839AZRV4-48 is a 48-tooth lightweight aluminum rear sprocket engineered for serious street and track riding. Built to Vortex's exacting race-proven standards, this sprocket delivers a meaningful reduction in rotating mass compared to stock steel sprockets, helping improve throttle response, acceleration, and overall drivetrain feel.

Key Features:

• 100% CNC manufactured in the USA for precise tolerances and consistent quality
• Specially formulated aluminum alloy per Vortex specifications for an optimal strength-to-weight ratio
• Silver anodized finish to resist corrosion and maintain appearance
• Unique tooth profile design engineered to increase sprocket longevity and reduce chain wear
• 48-tooth rear sprocket for tuned gearing — ideal for riders seeking stronger low-end pull and improved acceleration
• Lightweight construction reduces rotating mass for improved throttle response and quicker directional changes

Vortex Racing has spent decades supplying top professional race teams worldwide with drivetrain components built to withstand the demands of competition. The 839AZRV4-48 brings that same race-grade engineering to your motorcycle, making it an excellent upgrade for both track days and spirited street riding.