Vortex 839C-66 Aluminum Rear Sprocket 66-Tooth

The Vortex 839C-66 is a lightweight aluminum racing rear sprocket designed for high-performance motorcycle applications. This 66-tooth rear sprocket is manufactured using advanced CNC machining processes in the USA, ensuring precision fitment and optimal performance for sportbikes and stunt motorcycles.

Key Features:

• 66-tooth rear sprocket configuration for improved acceleration and wheelie control
• 100% CNC manufactured in the USA from specially formulated aluminum alloy
• Silver anodized finish prevents corrosion and provides long-lasting durability
• Vortex patented tooth design increases sprocket longevity and chain life
• Lightweight construction reduces rotational mass for improved throttle response
• 520 pitch compatible for racing and performance applications

This oversized 66-tooth sprocket is particularly popular among stunt riders and racers looking to maximize low-end torque and acceleration. The Vortex 839 series represents the pinnacle of lightweight aluminum sprocket technology, combining race-proven durability with weight-saving design.