Vortex 642-51 Rear Sprocket 51-Tooth

The Vortex 642-51 is a 51-tooth rear sprocket designed for high-performance motorcycle applications. Vortex Racing is a leading manufacturer of precision-machined sprockets trusted by racers and street riders alike for their exceptional quality and durability.

Key Features:

• 51-Tooth rear sprocket for increased acceleration and lower-end torque
• Precision CNC-machined from high-strength aluminum alloy for lightweight performance
• Hard anodized finish for corrosion resistance and long-lasting durability
• Manufactured to OEM specifications for precise fitment and alignment
• Compatible with standard 530 or 520 chain pitch (per application — verify fitment for your specific model)
• Drilled and lightened design reduces unsprung rotational mass

Vortex sprockets are a direct replacement for worn OEM sprockets and are a popular upgrade for riders seeking improved throttle response and acceleration. The 642-51 is engineered for consistent performance under demanding track and street conditions.