Vortex 828CZK-50 Aluminum Rear Sprocket & Chain Kit 50T Black Hard-Coat

The Vortex 828CZK-50 is a complete chain and sprocket kit featuring a 50-tooth black hard-coat aluminum rear sprocket paired with a high-performance motorcycle chain. Designed for serious street and track riders, this kit delivers a direct-fit upgrade over worn OEM drivetrain components with measurable gains in power transfer efficiency and drivetrain longevity.

The 828-series rear sprocket is 100% CNC machined in the USA from a specially formulated aluminum alloy developed to Vortex's proprietary specifications. The black hard-coat anodized finish provides superior corrosion resistance and extends sprocket service life compared to standard silver anodized options. Vortex's patented tooth profile geometry reduces chain wear and promotes smoother, more consistent engagement under load.

Key Features:

• 50-tooth aluminum rear sprocket — lightweight performance upgrade over steel OEM sprockets
• Black hard-coat anodized finish — enhanced durability and corrosion resistance
• 100% CNC manufactured in the USA — precision tolerances for optimal chain alignment
• Specially formulated aluminum alloy — per Vortex's proprietary specifications
• Patented tooth design — reduces chain wear and extends sprocket life
• Includes high-performance X-ring chain — engineered for high tensile load capacity
• Kit includes master link — everything needed for a complete drivetrain replacement

Vortex chain and sprocket kits are a trusted choice for both competitive racing and performance street riding, offering the ideal combination of reduced rotational mass, precise power transfer, and long-term reliability. The 828CZK-50 is the preferred solution for riders seeking a gearing change or a high-quality OEM drivetrain replacement.