Vortex 312ZB-54 Black 54-Tooth 415-Pitch Steel Rear Sprocket

The Vortex 312ZB-54 is a 54-tooth, 415-pitch steel rear sprocket finished in a satin black zinc-plated coating for corrosion resistance. Designed for small-bore and mini-bike applications, this sprocket is precision-manufactured to Vortex's exacting standards, delivering reliable power transfer and long service life.

Vortex Racing produces race-proven drivetrain components used by professional teams worldwide. Their steel rear sprockets are engineered from a carbon steel alloy per Vortex specifications, then electro-plated in satin black to protect against corrosion. The patented tooth profile is unique to Vortex and promotes extended sprocket longevity even under demanding conditions.

Key Features:

• 54-Tooth / 415 Pitch — fits 415-pitch chain applications common on small-displacement and mini-bike platforms
• Black zinc (ZB) finish — electro-plated satin black for corrosion protection and clean aesthetics
• Carbon steel alloy construction — built to Vortex specifications for strength and durability
• Patented tooth design — unique profile increases sprocket longevity and reduces wear
• Precision-manufactured — induction-hardened to tight tolerances for concentricity and quiet operation
• USA-made — manufactured domestically by Vortex Racing

The Vortex 312ZB-54 is an ideal upgrade or direct replacement rear sprocket for riders seeking a durable, performance-oriented steel sprocket in a 415-pitch, 54-tooth configuration.