Vortex 144AZK-40 Aluminum Rear Sprocket 525 Pitch 40 Tooth Silver

The Vortex 144AZK-40 is a lightweight aluminum rear sprocket designed for 525 pitch chains with 40 teeth. Engineered for performance-oriented riders, this sprocket delivers significant weight savings over stock steel sprockets, reducing rotating mass for improved acceleration and handling response.

Key Features:

• 100% CNC-machined in the USA from aerospace-grade 7075 T6 aluminum alloy
• Silver anodized finish prevents corrosion and provides long-lasting durability
• Vortex patented tooth design increases sprocket longevity and chain life
• Precision-manufactured to tight tolerances for smooth, quiet operation
• Designed for 525 pitch chains with 40-tooth configuration
• Lightweight construction reduces unsprung weight for enhanced performance

Vortex aluminum sprockets are trusted by racers and performance riders worldwide. The unique CNC-machined design and specially formulated alloy provide an optimal balance of strength and weight reduction, making this sprocket an excellent choice for street, track, or stunt applications.