Vortex 642AZRV4-40 Aluminum Rear Sprocket 40T

The Vortex 642AZRV4-40 is a 40-tooth aluminum rear sprocket designed as a direct-fit replacement or performance upgrade for compatible sport and touring motorcycles. Engineered to Vortex's exacting standards, this sprocket is CNC-machined from high-grade 7075-T6 aluminum alloy for an optimal balance of light weight and long-lasting durability.

Key Features:

• Material: CNC-machined 7075-T6 aluminum for reduced unsprung weight
• Tooth Count: 40 teeth for precise gearing control
• Hard anodized finish for corrosion resistance and extended wear life
• Precision-machined sprocket pockets reduce overall weight without sacrificing structural integrity
• Direct OEM replacement fit — no modifications required
• Compatible with standard O-ring, X-ring, and Z-ring drive chains
• Manufactured in the USA to strict quality control standards

Vortex Racing is a trusted name in the powersports industry, producing high-performance drivetrain components for street, track, and competition use. The 642AZRV4-40 rear sprocket is an ideal choice for riders looking to reduce rotating mass and fine-tune their motorcycle's final drive ratio.