Vortex 491ZB-54 Black Aluminum 525-Pitch 54-Tooth Rear Sprocket

The Vortex 491ZB-54 is a 54-tooth, 525-pitch black anodized aluminum rear sprocket engineered for performance motorcycle applications. CNC-machined in the USA from a specially formulated aluminum alloy per Vortex specifications, this sprocket delivers an optimal balance of strength and weight savings over a stock steel unit.

Key Features:

• 54-Tooth / 525 Pitch — compatible with standard 525-pitch drive chains
• Black anodized finish — electrochemical coating resists corrosion and wear
• Lightweight aluminum construction — reduces rotating mass for improved throttle response and acceleration
• 100% CNC manufactured in the USA — machined to precise tolerances for true concentricity
• Vortex patented tooth design — unique profile increases sprocket longevity and chain engagement
• Specially formulated alloy — aluminum composition developed to Vortex's own material specifications

The 491ZB-54 is part of Vortex Racing's industry-leading rear sprocket lineup, trusted by racers and street riders alike. A higher tooth count like 54T provides increased low-end torque and quicker acceleration compared to lower-count sprockets, making it a popular choice for riders seeking more aggressive street or track gearing.