Vortex 604-55 Silver 55-Tooth Aluminum Rear Sprocket

The Vortex 604-55 is a silver 55-tooth aluminum rear sprocket engineered for high-performance motorcycle applications. Part of Vortex Racing's trusted aluminum rear sprocket lineup, the 604-55 delivers the aggressive gearing ratio preferred by stunt riders and performance enthusiasts who demand maximum low-end torque and acceleration.

Key Features:

• 55-tooth tooth count — popular large-tooth size for stunt riding and aggressive acceleration
• 7075 aircraft-grade aluminum construction — lightweight yet exceptionally strong
• Precision machined — manufactured to tight tolerances for smooth, reliable chain engagement
• Vortex patented tooth design — unique profile engineered to increase sprocket longevity
• Silver finish — standard anodized silver (note: Vortex aluminum sprockets 55-tooth and above are available in silver only)
• Bolt-on fitment — direct replacement requiring no modifications

Vortex Racing is a U.S.-based manufacturer with over 15 years of experience producing top-quality racing components for Motocross, Supercross, Road Racing, Flat Track, and Minibikes. Every sprocket is tested with feedback from professional race teams worldwide, ensuring race-proven quality for street and track use alike.