Vortex 641-47 Silver 47-Tooth Aluminum Rear Sprocket

The Vortex 641-47 is a 47-tooth aluminum rear sprocket engineered for motorcycle riders who demand lightweight performance and lasting durability. Manufactured by Vortex Racing in the USA, this sprocket is precision-machined from 7075 aircraft-grade aluminum and silver anodized to resist corrosion.

Key Features:

• 47-tooth rear sprocket for optimized acceleration and torque delivery
• CNC machined from 7075 T6 billet aluminum for maximum strength-to-weight ratio
• Silver anodized finish for corrosion resistance and lasting appearance
• Vortex patented tooth profile — unique saber-tooth groove design increases sprocket longevity and chain retention
• Lightening holes reduce rotating mass for improved throttle response
• Specially formulated alloy meets strict Vortex manufacturing specifications
• 100% CNC manufactured in the USA

Vortex Racing sprockets are the choice of professional racers across Motocross, Supercross, Road Racing, and Flat Track disciplines. The 641-47 is designed to be a direct-fit replacement that delivers a measurable reduction in unsprung weight compared to OEM steel sprockets, helping put more power to the pavement.