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

The Vortex 151-52 is a 52-tooth, 420-pitch CAT5 aluminum rear sprocket engineered for lightweight performance on mini bikes, pit bikes, and small-displacement motorcycles. Precision-machined from high-grade aluminum alloy, this sprocket delivers an optimal balance of reduced rotating mass and long-lasting durability.

Key Features:

• 52-tooth rear sprocket for increased low-end torque and acceleration
• 420 chain pitch compatibility — standard for many mini bikes and entry-level sport bikes
• CAT5 aluminum construction — lightweight alloy reduces unsprung weight versus steel
• Precision-machined to tight tolerances for smooth chain engagement and reduced wear
• Induction-hardened tooth profile extends service life
• Direct bolt-on fitment — no modifications required for compatible applications

Vortex Racing sprockets are trusted by professional racers and enthusiasts alike for their race-proven quality and consistency. The 151-52 is an ideal upgrade or replacement sprocket for riders looking to fine-tune gearing on 420-chain-drive motorcycles.