Vortex 840AZRV4-40 Aluminum Rear Sprocket 40-Tooth

The Vortex 840AZRV4-40 is a high-performance 40-tooth aluminum rear sprocket engineered for riders demanding precision, durability, and reduced unsprung weight. Vortex Racing is a leading name in the powersports industry, known for manufacturing race-grade drivetrain components used on both street and track applications.

Machined from high-strength 7075-T6 aluminum alloy, this sprocket delivers an excellent strength-to-weight ratio compared to OEM steel sprockets, helping reduce drivetrain mass and improve throttle response. Hard anodized teeth provide increased surface hardness and corrosion resistance for extended service life.

Key Features:

• 40-tooth rear sprocket for fine-tuned gear ratio adjustment
• Precision-machined from 7075-T6 aluminum alloy for lightweight performance
• Hard anodized finish for superior wear resistance and corrosion protection
• CNC machined to exact OEM tolerances for direct bolt-on fitment
• Lightening cuts reduce overall weight without compromising structural integrity
• Compatible with OEM chain pitch specification for the application

Whether you are optimizing your gearing for track days or spirited street riding, the Vortex 840AZRV4-40 offers a direct-fit, race-proven upgrade over the stock sprocket.