Vortex 193AZK-50 CAT5 Aluminum Rear Sprocket 520 Pitch 50T Black

The Vortex 193AZK-50 is a CAT5 lightweight aluminum rear sprocket featuring a 520 chain pitch and 50-tooth configuration with a black anodized finish. Engineered for performance-focused riders, this sprocket is crafted from a specially formulated aerospace-grade aluminum alloy to deliver a significant weight reduction over OEM steel sprockets while maintaining durability under demanding conditions.

Manufactured entirely in the USA using 100% CNC machining, the 193AZK-50 is held to precise tolerances that ensure consistent chain engagement and smooth power transfer. The patented Vortex CAT5 design incorporates saber tooth grooves — a unique tooth profile that increases sprocket longevity and sets it apart from conventional sprocket designs. The black anodized finish provides a clean, aggressive appearance with contrasting silver machine-cut highlights.

Key Features:

• Chain Pitch: 520
• Tooth Count: 50T
• Finish/Color: Black anodized
• Material: Lightweight CAT5 aluminum — specially formulated alloy per Vortex specifications
• 100% CNC manufactured in the U.S.A.
• Patented saber tooth groove design for increased sprocket longevity
• Significant weight savings over OEM steel sprockets
• Designed for 520 pitch OEM replacements or suitable 520 chain conversions

The Vortex 193AZK-50 is the ideal upgrade for riders seeking to reduce rotating mass, improve throttle response, and add a premium race-inspired look to their drivetrain.