Vortex 840KV4-47 Aluminum Rear Sprocket 47-Tooth

The Vortex 840KV4-47 is a 47-tooth aluminum rear sprocket designed for motorcycle applications. Vortex is a leading manufacturer of performance drivetrain components, and this sprocket is part of their VTX aluminum sprocket series — engineered to deliver a balance of lightweight performance and durable construction.

Machined from high-grade aluminum, this sprocket reduces unsprung rotational mass compared to steel alternatives, contributing to improved throttle response and overall drivetrain efficiency. The precision CNC machining ensures accurate tooth profile geometry for smooth, consistent chain engagement and reduced wear on both the sprocket and chain.

Key Features:

• 47-Tooth Rear Sprocket — provides optimal gearing for acceleration and top-end performance tuning
• Lightweight Aluminum Construction — reduces unsprung weight for improved handling and response
• CNC Machined — precision tooth profile for smooth chain engagement and extended service life
• VTX Series Design — Vortex's proven performance sprocket line trusted by racers and enthusiasts
• Anodized Finish — corrosion-resistant coating for long-lasting appearance and durability
• Direct OEM Replacement Fit — bolt-on installation with no modifications required

The Vortex 840KV4-47 rear sprocket is an excellent upgrade for riders looking to fine-tune their gearing ratio for track use, sport riding, or replacing a worn OEM sprocket with a higher-quality aftermarket component. Always pair with a compatible drive chain for best results.