Vortex 253ZK-49 CAT5 Aluminum Rear Sprocket 520 Pitch 49T Black

The Vortex 253ZK-49 is a CAT5 aluminum rear sprocket featuring a 520 chain pitch and 49-tooth configuration in a black anodized finish with contrasting silver machined highlights. Designed for performance-oriented street and track riders seeking a lightweight alternative to OEM steel sprockets.

Key Features:

• Lightweight CAT5 aluminum construction — reduces rotating mass for improved acceleration response
• 100% CNC manufactured in the USA to precise tolerances
• Specially formulated alloy per Vortex specifications for optimal strength-to-weight ratio
• Vortex patented saber tooth groove design — unique tooth profile increases sprocket longevity
• Black anodized finish with contrasting silver machine-cut highlights for a premium appearance
• 520 chain pitch — compatible with 520-series chains
• 49 teeth for tuned final drive gearing

The CAT5 sprocket line utilizes the same proven Vortex design with a color anodizing applied to the body, excluding the sweeps, mud grooves, and teeth, resulting in a striking two-tone look. Vortex Racing sprockets are a trusted choice across professional racing teams and performance street riders alike.