Vortex 839ZK-47 CAT5 Rear Sprocket 520 Pitch 47 Tooth Black Aluminum

The Vortex 839ZK-47 is a CAT5 Series lightweight aluminum racing rear sprocket featuring 47 teeth with a 520 pitch configuration. This premium sprocket showcases Vortex's innovative manufacturing process where the aluminum is anodized first in black, then precision CNC machined from 7075 aluminum alloy, creating a striking appearance with bright silver highlights on the teeth and machine cuts.

Key Features:

• Lightweight CAT5 aluminum construction reduces rotating mass for improved acceleration and handling
• 100% CNC manufactured in the USA to exacting Vortex specifications
• Black anodized finish with contrasting silver machine cuts for distinctive styling
• Saber tooth grooves with unique tooth design increases sprocket longevity
• 7075 aluminum alloy construction specially formulated for racing applications
• Patented Vortex sprocket design trusted by professional race teams worldwide

Vortex CAT5 sprockets deliver both performance and aesthetics, offering significant weight savings over OEM steel sprockets while providing the durability demanded by racing applications. The color anodizing process excludes the sweeps, mud grooves, and teeth, which are then precision machined to reveal the silver highlights that make these sprockets instantly recognizable.