Vortex 491-51 Silver 51-Tooth Aluminum Rear Sprocket

The Vortex 491-51 is a silver, 51-tooth aluminum rear sprocket engineered for high-performance motorcycle applications. Built to the exacting standards Vortex Racing is known for, this sprocket delivers the precision fitment and durability demanded by serious street and track riders.

Vortex's proprietary saber-tooth groove design sets these sprockets apart from the competition. Each unit is 100% CNC machined from lightweight, high-strength aluminum and features Vortex's patented tooth profile, which reduces wear and extends sprocket life compared to conventional designs.

Key Features:

• 51-tooth rear sprocket for modified gearing ratios
• 100% CNC machined from high-strength aluminum for precise concentricity
• Vortex patented saber-tooth groove design for increased longevity
• Silver anodized finish for corrosion resistance and appearance
• Race-proven design tested by top professional riders worldwide
• Manufactured in the USA by Vortex Racing

Whether you're tuning your gearing for acceleration off corners or optimizing top-end performance on the straights, the Vortex 491-51 rear sprocket is a trusted upgrade used by racers and enthusiasts alike.