Vortex 337-56 Aluminum Rear Sprocket 56-Tooth

The Vortex 337-56 is a 56-tooth aluminum rear sprocket engineered for motorcycle riders who demand precision, durability, and reduced rotating mass. Built to Vortex's exacting standards, this sprocket features 100% CNC machining for consistent concentricity and a patented tooth profile that extends sprocket life under both street and racing conditions.

Key Features:

• 56-tooth rear sprocket for increased low-end torque and acceleration
• Precision CNC-machined from high-grade aluminum for optimal strength-to-weight ratio
• Lightening holes strategically placed to reduce rotating mass without sacrificing rigidity
• Patented Vortex tooth design for improved chain engagement and longevity
• Induction-hardened and finished for corrosion resistance and extended service life
• Manufactured in the USA to aerospace-level tolerances

Vortex Racing sprockets are trusted by professional racers in AMA Superbike, AMA Sportbike, Supercross, and motocross competition. The 337-56 is a direct-fit replacement sprocket designed to work with the matching chain pitch for the specific application. Always replace the front sprocket and drive chain together with the rear sprocket for optimal drivetrain performance and longevity.