Vortex 337-51 Aluminum Rear Sprocket 51-Tooth

The Vortex 337-51 is a 51-tooth aluminum rear sprocket engineered for sport bike and performance motorcycle applications. Built to Vortex Racing's exacting standards, this sprocket is CNC-machined from a specially formulated aluminum alloy and features Vortex's patented sprocket tooth profile, designed to deliver smooth, precise chain engagement and extended wear life.

Key Features:

• 51-Tooth Rear Sprocket – ideal for riders seeking improved low-end acceleration and stronger pull out of corners
• Lightweight Aluminum Construction – reduces unsprung rotational mass compared to steel sprockets for improved handling response
• Vortex Patented Tooth Design – precision-machined profile promotes even chain wear and reduces noise
• Specially Formulated Alloy – manufactured to Vortex's proprietary material specifications for durability under race and street conditions
• CNC Machined Precision – produced to the tightest tolerances in the industry for consistent fitment and performance

Vortex Racing has been a trusted name in performance motorcycle drivetrain components since 1995, with products proven at the highest levels of AMA Superbike and motocross competition. The 337-51 rear sprocket is a direct bolt-on upgrade for compatible motorcycles, offering a straightforward way to optimize gearing for your riding style or track conditions.