Vortex 642-48 Aluminum Rear Sprocket 48 Tooth

The Vortex 642-48 is a high-performance aluminum rear sprocket featuring 48 teeth, designed for optimal power transfer and weight savings on sport bikes and performance motorcycles. This sprocket is precision-machined from lightweight 7075-T6 aluminum alloy, offering significant weight reduction compared to steel sprockets while maintaining excellent strength and durability.

Key Features:

• 48-tooth configuration for optimized acceleration and top speed balance
• Constructed from aerospace-grade 7075-T6 aluminum alloy
• CNC-machined for precise tooth profiles and consistent chain engagement
• Hard-anodized finish for enhanced wear resistance and corrosion protection
• Self-cleaning mud groove design helps prevent debris buildup
• Lightening holes reduce rotational mass for improved throttle response
• Compatible with standard 520, 525, or 530 pitch chains (verify fitment)

Vortex sprockets are engineered to meet or exceed OEM specifications, providing reliable performance for street riding, track days, and racing applications. The lightweight aluminum construction reduces unsprung weight, contributing to improved suspension performance and handling characteristics.