Vortex 491-45 Silver 45-Tooth Rear Sprocket

The Vortex 491-45 is a silver anodized, 45-tooth rear sprocket engineered for motorcycle road racing and powersports performance. Machined from premium billet aluminum, this sprocket delivers exceptional strength while minimizing rotating mass for improved throttle response and acceleration.

Key Features:

• 45-Tooth Configuration: Optimized tooth count for performance gearing adjustments
• Silver Anodized Finish: Electrically coated for a bright, corrosion-resistant surface
• 100% CNC Machined: Manufactured in the USA to the tightest tolerances
• 7075-T6 Billet Aluminum Construction: High-strength, lightweight alloy reduces rotating mass for improved power delivery
• Vortex Patented Saber Tooth Groove Design: Unique tooth geometry that extends sprocket longevity and improves chain engagement
• Lightening Holes: Strategic cutouts further reduce weight without sacrificing structural integrity
• Cat 5 Anodizing: Specially formulated surface treatment per Vortex specifications for added durability

Vortex Racing is a U.S.-based manufacturer with a proven track record in Motocross, Supercross, Road Racing, and Flat Track Racing. Their components are tested on the track with direct feedback from top professional race teams worldwide, making the 491-45 a trusted choice for both competitive racers and performance-minded street riders.