Vortex 255AZB-47 Black Aluminum Rear Sprocket 520 Pitch 47 Tooth

The Vortex 255AZB-47 is a 47-tooth, 520-pitch black anodized aluminum rear sprocket engineered for high-performance motorcycle applications. Precision-crafted to Vortex's exacting standards, this sprocket delivers a measurable reduction in rotating mass compared to OEM steel units, translating directly into improved throttle response and drivetrain efficiency.

Key Features:

• Material: Specially formulated aerospace-grade aluminum alloy per Vortex specifications
• Finish: Black anodized for corrosion resistance and a clean, aggressive appearance
• Tooth Count: 47 teeth
• Chain Pitch: 520
• Construction: 100% CNC machined in the USA for precise concentricity and consistent fit
• Tooth Design: Vortex patented tooth profile engineered to extend sprocket and chain longevity
• Weight Savings: Significantly lighter than OEM steel sprockets, reducing unsprung and rotational mass

The Vortex 255AZB-47 is designed as a direct-fit replacement or performance upgrade, offering the ideal combination of lightweight construction and durability for both street and track use. When paired with a quality 520-pitch chain and front sprocket, this rear sprocket allows riders to fine-tune their gear ratio for improved acceleration characteristics.