Vortex 838A-57 Aluminum Rear Sprocket 57-Tooth

The Vortex 838A-57 is a lightweight aluminum rear sprocket featuring 57 teeth, engineered for high-performance motorcycle applications. This sprocket is part of Vortex's 838A series, which combines race-proven durability with significant weight savings over steel alternatives.

Key Features:

• 57-tooth configuration for customized gearing ratios
• Lightweight aluminum construction reduces unsprung weight
• 100% CNC machined in the USA for precision fitment
• Silver anodized finish prevents corrosion and enhances durability
• Vortex patented tooth design increases sprocket longevity
• Specially formulated alloy per Vortex specifications

Vortex Racing sprockets are manufactured to exacting tolerances and feature a unique tooth profile that distributes load evenly across the chain, reducing wear and extending service life. The lightweight aluminum construction helps improve throttle response and acceleration while maintaining the strength needed for demanding riding conditions.