Vortex 839CZB-45 Aluminum Rear Sprocket 45 Tooth

The Vortex 839CZB-45 is a high-performance aluminum rear sprocket designed for motorcycle racing and street applications. This 45-tooth sprocket combines lightweight construction with the durability needed for demanding riding conditions.

Key Features:

• 45-tooth configuration for optimized gearing
• Lightweight aluminum alloy construction reduces unsprung weight
• CNC-machined from high-grade 7075-T6 aluminum
• Hard-anodized finish in multiple color options for corrosion resistance
• Laser-cut teeth for precise fitment and extended chain life
• Lightening holes strategically placed to reduce weight without sacrificing strength
• Computer-optimized design maximizes strength-to-weight ratio

Vortex Racing sprockets are engineered and tested by professional race teams worldwide. The CAT5 aluminum sprocket line offers significant weight savings over steel sprockets while maintaining excellent durability for sport riding and racing applications. Each sprocket is manufactured to tight tolerances ensuring proper chain engagement and extended component life.