Vortex 144AZB-39 Aluminum Rear Sprocket 39 Tooth

The Vortex 144AZB-39 is a high-performance aluminum rear sprocket engineered for optimal power transfer and reduced rotating mass. This 39-tooth sprocket is precision-machined from 7075-T6 aluminum alloy, providing an excellent balance of strength and lightweight performance for sport and street motorcycles.

Key Features:

• 39-tooth configuration for balanced acceleration and top speed
• Constructed from 7075-T6 aluminum for superior strength-to-weight ratio
• Hard anodized finish in blue for enhanced durability and corrosion resistance
• CNC-machined with tight tolerances for smooth, quiet operation
• Self-cleaning mud groove design extends sprocket life
• Significantly lighter than steel sprockets for improved acceleration

Vortex sprockets are a popular choice among racers and performance enthusiasts who demand precision engineering and reliable performance. The aluminum construction reduces unsprung weight while the hard anodized coating provides excellent wear resistance for extended service life.