Vortex 610BZR-45 Aluminum Rear Sprocket 45T Black Anodized with Machined Accents

The Vortex 610BZR-45 is a 45-tooth aluminum rear sprocket finished in black anodize with contrasting machined accents. Designed for performance street and track riders, this sprocket is part of Vortex Racing's trusted lineup of USA-made drivetrain components.

Key Features:

• 45 Teeth — optimized tooth count for improved low-end acceleration and quicker throttle response
• Lightweight aluminum construction — reduces rotating mass for improved acceleration and handling response compared to OEM steel sprockets
• 100% CNC manufactured in the USA — machined to tight tolerances from a specially formulated aluminum alloy per Vortex specifications
• Black anodized finish with machined accent highlights — corrosion-resistant anodize with contrast-cut machined areas for a premium appearance
• Vortex patented unique tooth design — engineered to increase sprocket longevity and promote smooth, efficient chain engagement

Vortex Racing sprockets are the choice of professional racers and performance riders worldwide, providing optimal power transfer and reduced rotational mass. Always replace the chain and front sprocket together when installing a new rear sprocket to ensure even wear and maximum drivetrain life.