Vortex 841AZR-45 Aluminum Rear Sprocket 45 Tooth

The Vortex 841AZR-45 is a high-performance aluminum rear sprocket engineered for sportbike and racing applications. Precision-machined from 7075-T6 aluminum alloy, this sprocket delivers an optimal balance of strength and weight savings compared to steel alternatives.

Key Features:

• 45-tooth configuration for customized gearing ratios
• 7075-T6 aluminum construction reduces rotational mass and unsprung weight
• CNC-machined teeth ensure precise chain engagement and extended wear life
• Hard-anodized finish provides superior durability and corrosion resistance
• Laser-etched tooth count and part number for easy identification
• Self-cleaning mud grooves prevent debris buildup

Vortex sprockets are manufactured to exacting tolerances and undergo rigorous quality control testing. The lightweight aluminum design improves acceleration and reduces drivetrain stress while maintaining excellent durability for street and track use. This sprocket is designed for specific motorcycle applications—verify fitment before ordering.