Vortex 527ZUV4-49 VTX Aluminum Rear Sprocket Pitch Sprockets - 49T 520

The Vortex 527ZUV4-49 is a high-performance aluminum rear sprocket from Vortex Racing's VTX line, featuring 49 teeth and designed for 520 pitch chain applications. Machined from lightweight 7075-T6 aluminum, this sprocket delivers an ideal balance of strength and weight savings over stock steel sprockets — a popular upgrade for performance street and track riders.

Key Features:

• 49 Teeth — provides increased rear wheel torque and improved acceleration
• 520 Pitch — compatible with standard 520-series chain setups
• Lightweight Aluminum Construction — significantly lighter than OEM steel sprockets for reduced unsprung weight
• 4-Bolt Mounting Pattern — direct bolt-on fitment to compatible ZUV4 sprocket carriers
• Hard Anodized Finish — resists wear and corrosion for extended service life
• CNC Machined — precision manufacturing ensures smooth chain engagement and consistent performance
• Manufactured by Vortex Racing, a trusted name in American-made powersports drivetrain components

The Vortex VTX series sprocket is a direct-fit upgrade for riders looking to fine-tune gearing for track days, sport riding, or performance street use. As part of Vortex's modular sprocket carrier system, this sprocket mounts to a separate carrier hub, allowing easy sprocket swaps without replacing the entire assembly.