Vortex 491ZR-45 Red 45-Tooth 520-Pitch Aluminum Rear Sprocket

The Vortex 491ZR-45 is a 45-tooth, 520-pitch aluminum rear sprocket finished in a striking red anodized color with bright silver machined accents. Engineered for performance-minded riders, this sprocket is part of Vortex's popular CAT5 aluminum sprocket line and is 100% CNC-manufactured in the USA.

Key Features:

• 520-pitch chain compatibility — fits a wide range of sport and street motorcycles
• 45-tooth rear sprocket — offers increased low-end torque and improved acceleration compared to stock gearing
• Lightweight CAT5 aluminum construction — significantly reduces rotating mass versus OEM steel sprockets for improved throttle response and handling
• Specially formulated alloy per Vortex specifications for maximum strength-to-weight ratio
• Vortex patented Saber Tooth groove design — unique tooth profile engineered to extend sprocket longevity and reduce chain wear
• Red anodized finish with silver machined highlights — anodizing provides corrosion resistance while adding a bold visual upgrade
• 100% CNC machined in the U.S.A. — precision manufacturing ensures consistent fit and performance

Replacing a worn or stock steel sprocket with the Vortex 491ZR-45 is a proven upgrade for riders looking to sharpen acceleration and reduce drivetrain weight. Always replace the chain and front sprocket simultaneously when installing a new rear sprocket for optimal performance and longevity.