Vortex 151ZR-52 CAT5 420 Aluminum Rear Sprocket 52-Tooth Red

The Vortex 151ZR-52 is a 52-tooth, 420-pitch CAT5 aluminum rear sprocket finished in a bold red anodized color with bright silver machine-cut highlights. Designed for small-displacement and mini-bike applications, this sprocket delivers a winning combination of lightweight performance and race-proven durability.

Key Features:

• Lightweight aluminum construction — significantly reduces rotating mass compared to OEM steel sprockets for improved acceleration and throttle response
• 100% CNC-manufactured in the U.S.A. — precision machined to exact tolerances for consistent fit and performance
• Specially formulated alloy per Vortex specifications for optimal strength-to-weight ratio
• 420 pitch chain compatibility — designed for use with standard 420-pitch drive chains
• Vortex patented saber tooth groove design — unique tooth profile increases sprocket longevity and reduces chain wear
• Red anodized finish with silver accents — color anodizing applied to the body while teeth and grooves retain a polished silver appearance
• 52-tooth count — ideal for applications requiring increased low-end torque and acceleration

Vortex Racing is a U.S.-based manufacturer with a long-standing reputation in Motocross, Supercross, Road Racing, and Minibike competition. The CAT5 line represents their dedicated small-bike sprocket series, trusted by racers and enthusiasts who demand top-shelf drivetrain components.