Vortex 641A-51 Aluminum Rear Sprocket 51-Tooth 530 Pitch Silver

The Vortex 641A-51 is a lightweight aluminum rear sprocket featuring 51 teeth with 530 pitch sizing for high-performance motorcycle applications. This precision-engineered racing component delivers reduced rotating mass compared to OEM steel sprockets, resulting in improved acceleration and handling characteristics.

Key Features:

• 100% CNC manufactured in the USA to exacting tolerances
• Specially formulated aluminum alloy per Vortex specifications for optimal strength-to-weight ratio
• Silver anodized finish prevents corrosion and provides long-lasting appearance
• Unique tooth design increases sprocket longevity over standard designs
• Vortex patented sprocket design for superior performance
• 51 teeth with 530 pitch configuration

Vortex Racing has been manufacturing top-quality motorcycle racing components since 1995, with direct feedback from professional race teams worldwide ensuring race-proven reliability. The lightweight construction of this aluminum sprocket reduces unsprung weight and rotational mass, allowing more power to reach the pavement while improving throttle response.