Vortex 253CZK-49 CAT5 Aluminum Rear Sprocket 49T Chrome/Silver

The Vortex 253CZK-49 is a 49-tooth CAT5 aluminum rear sprocket finished in a chrome/silver anodized color with contrasting machined accents. Designed for serious street and track riders, this sprocket delivers a performance upgrade over OEM steel units by reducing rotating mass for improved throttle response and acceleration.

Key Features:

• Lightweight CAT5 aluminum construction reduces rotating mass compared to steel sprockets
• 100% CNC manufactured in the USA to precise tolerances
• Specially formulated aluminum alloy per Vortex specifications for optimal strength-to-weight ratio
• Chrome/silver anodized finish with contrasting silver machine cuts for a premium appearance
• Vortex patented tooth design engineered to maximize sprocket longevity and chain wear
• 49-tooth rear sprocket for fine-tuned final drive gearing adjustments

Vortex Racing sprockets are trusted by professional race teams worldwide and are built to the same standards used in Motocross, Supercross, and Road Racing competition. The 49-tooth count allows riders to dial in acceleration characteristics relative to their specific application. Always replace the chain and front sprocket when installing a new rear sprocket for best results.