Vortex 839AZGV4-47 Aluminum Rear Sprocket Anodized Sprockets - 47-Tooth

The Vortex 839AZGV4-47 is a 47-tooth aluminum rear sprocket from Vortex Racing's popular 839 series — a go-to choice for motorcycle racers and performance street riders who demand lightweight precision hardware. Manufactured entirely in the USA, this sprocket is built to exacting tolerances for consistent performance on the track or road.

Key Features:

• Lightweight aluminum construction — reduces rotating mass compared to steel for improved throttle response and acceleration
• 100% CNC machined in the USA — manufactured to tight tolerances for precise fitment and reliable power transfer
• Specially formulated alloy per Vortex specifications for optimal strength-to-weight ratio
• Anodized finish — corrosion-resistant coating that also adds a distinctive look to your drivetrain
• Vortex patented tooth design — unique tooth geometry engineered to increase sprocket longevity and reduce chain wear
• 47-tooth count — provides increased low-end torque and improved acceleration off corners
• Lightening holes reduce overall weight and rotating mass

Vortex Racing has been a trusted name in motorcycle racing components for over 15 years, supplying top professional race teams worldwide across Motocross, Supercross, Road Racing, and Flat Track disciplines. The 839 series aluminum rear sprocket is a proven performer that delivers real racing performance gains through reduced drivetrain weight.