Vortex 427ZBV4-47 VTX Aluminum Rear Sprocket Pitch Sprockets - 47T 428

The Vortex 427ZBV4-47 is a high-quality aluminum rear sprocket designed as a direct-fit replacement or performance upgrade for compatible motorcycles. Engineered by Vortex Racing — a trusted name in aftermarket drivetrain components — this sprocket delivers the ideal balance of lightweight performance and long-lasting durability.

Machined from high-grade 7075-T6 aluminum alloy, this sprocket significantly reduces unsprung rotational mass compared to OEM steel sprockets, contributing to sharper throttle response and improved acceleration. The hard-anodized finish provides excellent corrosion and wear resistance to extend service life.

Key Features:

• 47-tooth rear sprocket for modified gearing options
• 428 pitch chain compatibility
• CNC-machined from lightweight 7075-T6 aluminum alloy
• Hard-anodized surface for superior wear and corrosion resistance
• Direct bolt-on fitment — no modifications required
• Manufactured by Vortex Racing to OEM-equivalent or better tolerances
• Significant weight reduction over stock steel sprockets

The Vortex VTX series rear sprocket is a popular choice among street and off-road riders looking to fine-tune their final drive ratio. Whether optimizing for top speed or low-end torque, this 47-tooth aluminum sprocket is a proven performance upgrade.