Vortex 840AZL-39 Aluminum Rear Sprocket 39 Tooth

The Vortex 840AZL-39 is a high-performance aluminum rear sprocket designed for sport and racing motorcycles. This lightweight sprocket features 39 teeth and is precision-machined from 7075-T6 aerospace-grade aluminum alloy for an optimal balance of strength and weight reduction.

Key Features:

• 39-tooth configuration for versatile gearing options
• 7075-T6 aluminum construction reduces rotational mass and improves acceleration
• Hard-anodized finish in blue for superior wear resistance and corrosion protection
• CNC-machined for precise tolerances and perfect chain alignment
• Self-cleaning mud groove design helps maintain performance in all conditions
• Laser-etched tooth count and size marking for easy identification

Vortex aluminum sprockets are manufactured to exacting standards and offer significant weight savings over steel sprockets while maintaining excellent durability for aggressive street and track use. The blue anodized finish provides both protection and a distinctive racing appearance.