Vortex 635ZK-52 Black CAT5 Aluminum Rear Sprocket 52-Tooth

The Vortex 635ZK-52 is a 52-tooth CAT5 black anodized aluminum rear sprocket built for performance-focused street and track riders. Engineered to Vortex's exacting standards, this sprocket delivers a noticeable reduction in rotating mass compared to OEM steel units, translating directly into sharper throttle response and improved acceleration.

Key Features:

• 52-Tooth Rear Sprocket — increased tooth count for enhanced low-end torque and acceleration
• CAT5 Black Anodized Finish — durable, corrosion-resistant anodizing with a clean black appearance
• Lightweight Aluminum Construction — reduces unsprung and rotating weight versus stock steel sprockets
• 100% CNC Machined in the U.S.A. — precision manufacturing ensures concentric sprocket geometry and smooth, consistent chain engagement
• Specially Formulated Alloy — material spec developed to Vortex's proprietary standards for optimal strength-to-weight ratio
• Vortex Patented Tooth Design — unique tooth profile and saber tooth grooves extend sprocket longevity and reduce chain wear

The 635ZK-52 is part of Vortex Racing's extensive CAT5 rear sprocket lineup, a trusted choice among club racers and performance street riders alike. Vortex sprockets are manufactured in Salt Lake City, Utah and are available across 520, 525, and 530 chain pitches to suit a wide range of applications.