Vortex 840KV4-46 VTX Aluminum Rear Sprocket 46T

The Vortex 840KV4-46 is a high-performance VTX series aluminum rear sprocket designed as a direct OEM replacement or performance upgrade for compatible motorcycles. Vortex Racing is a trusted name in the powersports industry, producing precision-machined drivetrain components built to meet the demands of both street and track riders.

Machined from lightweight, high-strength aluminum alloy, this 46-tooth rear sprocket delivers excellent power transfer while significantly reducing unsprung rotating weight compared to steel alternatives. The hard-anodized finish provides superior corrosion resistance and extended service life even under aggressive riding conditions.

Key Features:

• 46-Tooth rear sprocket configuration
• Lightweight aluminum alloy construction for reduced unsprung weight
• Hard-anodized finish for corrosion resistance and durability
• Precision CNC-machined for consistent tooth geometry and smooth chain engagement
• Direct bolt-on fitment for easy installation
• Compatible with 520 chain pitch (verify fitment for your specific application)
• Manufactured by Vortex Racing — a leader in motorcycle sprocket technology

The Vortex VTX aluminum rear sprocket is an ideal upgrade for riders looking to fine-tune their gear ratio for improved acceleration or top-end performance, without adding unnecessary weight to the drivetrain.