Vortex 642ZR-37 Aluminum Rear Sprocket 37 Tooth

The Vortex 642ZR-37 is a high-performance aluminum rear sprocket engineered for sport and racing motorcycles. Manufactured by Vortex Racing, a U.S.-based company known for producing premium motorcycle racing components, this 37-tooth rear sprocket delivers the perfect balance of lightweight construction and exceptional durability.

Key Features:

• Machined from aerospace-grade 7075 T6 billet aluminum for superior strength-to-weight ratio
• 37 teeth configuration for optimized gearing performance
• Anodized finish for enhanced durability and corrosion resistance
• Proprietary tooth design increases sprocket longevity and chain life
• Precision CNC machined to tight tolerances for smooth operation
• Lightweight construction reduces rotating mass for improved acceleration and deceleration
• Made in the USA with quality materials tested by professional race teams

Vortex aluminum sprockets feature a patent-pending design that maximizes lightness while maintaining structural integrity. Each sprocket is manufactured to exacting standards and used by racing champions in Motocross, Supercross, Road Racing, and Flat Track competition worldwide.