Vortex 840AZBV4-47 Aluminum Rear Sprocket 47T

The Vortex 840AZBV4-47 is a 47-tooth aluminum rear sprocket engineered for performance riders demanding lightweight precision components. Vortex is a globally recognized leader in aftermarket sprocket manufacturing, and this sprocket reflects their commitment to quality materials and tight tolerances.

Key Features:

• 47-Tooth count for tuned acceleration and throttle response
• Lightweight aluminum construction significantly reduces unsprung rotational mass compared to steel sprockets
• Hard anodized finish for improved wear resistance and corrosion protection
• CNC machined from high-grade aluminum billet for precise tooth profile and consistent fitment
• Direct OEM-style replacement — bolt-on installation with no modifications required
• Compatible with standard chain pitch for the BV4 fitment platform

Upgrading to a Vortex aluminum rear sprocket is one of the most effective ways to reduce overall motorcycle weight while fine-tuning your final drive ratio. The 47-tooth configuration is a popular choice for riders seeking improved low-end pull and acceleration without sacrificing too much top-end speed.