Vortex 225ZO-39 Aluminum Rear Sprocket 39-Tooth 520-Pitch

The Vortex 225ZO-39 is a lightweight aluminum rear sprocket featuring 39 teeth and 520-pitch chain compatibility. Designed for sport and racing motorcycles, this sprocket delivers optimal power transfer while reducing unsprung weight for improved handling and acceleration.

Key Features:

• 39-tooth count for 520-pitch chain applications
• CNC-machined from 7075-T6 aerospace-grade aluminum alloy
• Zinc oxide (ZO) finish for enhanced corrosion protection
• Vortex patented tooth design increases sprocket longevity
• Lightweight construction reduces rotating mass for improved acceleration and deceleration
• 100% manufactured in the USA to strict quality standards
• Self-cleaning mud grooves keep the sprocket functioning in harsh conditions

Vortex Racing has been manufacturing premium motorcycle racing components for over 15 years, with products tested by professional race teams worldwide. Each sprocket is precision-engineered to the tightest tolerances for reliable performance on the street or track.