Vortex 840CZB-50 Aluminum Rear Sprocket 50 Tooth for BST Wheels

The Vortex 840CZB-50 is a precision-engineered aluminum rear sprocket designed specifically for BST aftermarket wheels. This lightweight racing sprocket features 50 teeth and is 100% CNC manufactured in the USA to deliver optimal power transfer and reduced rotational mass for improved performance.

Key Features:

• 50-tooth aluminum rear sprocket for BST wheel fitment
• Constructed from specially formulated aerospace-grade alloy per Vortex specifications
• 100% CNC machined in the USA for precise tolerances and perfect chain engagement
• Black anodized finish prevents corrosion and provides a premium appearance
• Vortex patented tooth design increases sprocket longevity and optimizes chain hold and release
• Lightweight construction reduces unsprung weight for enhanced handling and acceleration
• Designed for high-performance street, track, and racing applications

Vortex Racing has been manufacturing top-quality motorcycle racing components since 1995, and their 840 series sprockets represent the pinnacle of aftermarket sprocket technology. The unique CZB designation indicates this model is engineered for specific BST wheel mounting patterns with custom bolt circle diameter and center bore dimensions. Each sprocket undergoes rigorous quality control to ensure it meets the demanding standards required for competitive racing and aggressive street riding.