Vortex 617ZB-42 Aluminum Rear Sprocket 42 Tooth Blue

The Vortex 617ZB-42 is a precision-manufactured aluminum rear sprocket featuring 42 teeth and a distinctive blue anodized finish. Constructed from 7075-T6 aluminum alloy, this sprocket delivers an optimal balance of lightweight performance and durability for sport and track riding applications.

Key Features:

• 42-tooth configuration for balanced acceleration and top speed
• 7075-T6 aluminum construction reduces rotational weight
• Blue anodized finish provides corrosion resistance and distinctive styling
• CNC-machined from a single piece of aluminum for precision fitment
• Self-cleaning mud groove design prevents debris buildup
• Laser-etched tooth count and part number for easy identification

Vortex aluminum sprockets are engineered for riders seeking reduced weight compared to steel sprockets while maintaining excellent wear characteristics. The hard anodized surface treatment extends service life and maintains the vibrant blue color through demanding riding conditions.