Vortex 840AZRV4-45 VTX Aluminum Rear Sprocket 45T

The Vortex 840AZRV4-45 is a high-quality aluminum rear sprocket designed as a direct OEM replacement or performance upgrade for compatible motorcycles and powersports applications. Engineered by Vortex Racing, a trusted name in drivetrain components, this sprocket delivers reliable power transfer with reduced unsprung weight compared to steel alternatives.

Key Features:

• Tooth Count: 45 teeth for optimized gear ratio and acceleration tuning
• Material: Lightweight, high-strength aluminum construction reduces overall drivetrain weight
• Series: VTX line — designed for precise fitment and consistent performance
• Chain Pitch: 840 series chain compatibility
• Finish: Anodized surface treatment for corrosion resistance and durability
• Precision CNC-machined for accurate tooth profile and consistent chain engagement

Vortex sprockets are manufactured to tight tolerances, ensuring smooth, quiet operation and extended chain and sprocket life. The aluminum construction makes this an ideal choice for riders looking to reduce rotating mass and improve throttle response. Designed for easy installation using standard hand tools.