Vortex 151ZR-54 CAT5 420 Rear Sprocket Red 54-Tooth

The Vortex 151ZR-54 is a CAT5 M-Tooth 420 rear sprocket finished in a vibrant red anodized color with 54 teeth. Engineered for mini bikes and small-displacement motorcycles running a 420 pitch chain, this sprocket delivers a meaningful weight savings over stock steel units while maintaining race-proven durability.

Key Features:

• 54-Tooth / 420 Pitch: Designed for 420 chain applications common on mini bikes and small-displacement motorcycles
• Lightweight CAT5 Aluminum Construction: Specially formulated aluminum alloy per Vortex specifications reduces rotating mass for improved acceleration and handling
• 100% CNC Manufactured in the U.S.A.: Machined to precise tolerances for superior concentricity and consistent fit
• Patented M-Tooth (Saber Tooth) Design: Vortex's unique tooth profile increases sprocket longevity and provides a stronger, quieter drive
• Red Anodized Finish: Color anodizing with contrasting bright silver machine cuts on the sweeps and teeth for a distinctive appearance
• Weight-Saving Cutouts: Strategic material removal reduces overall sprocket weight without compromising strength

Vortex Racing is a U.S.-based manufacturer with over 15 years of experience producing top-quality motorcycle racing components for motocross, road racing, flat track, and minibike applications. The 151ZR series is purpose-built for 420 pitch drivetrain setups, making it a direct upgrade over heavier OEM steel sprockets.