Vortex 642ZK-40 Rear Sprocket Motorcycle Sprockets - 40-Tooth

The Vortex 642ZK-40 is a precision-engineered 40-tooth rear sprocket designed for high-performance motorcycles. Manufactured from 7075 T6 billet aluminum, this lightweight sprocket delivers exceptional strength-to-weight ratio for improved acceleration and reduced unsprung weight.

Key Features:

• 40-tooth configuration for optimized gearing
• 7075 T6 billet aluminum construction for maximum durability
• 100% CNC machined with saber tooth grooves for extended sprocket life
• Vortex patented tooth design increases longevity and chain engagement
• Precision-cut teeth machined to tight tolerances for smooth operation
• Lightweight design reduces rotational mass

Vortex Racing has manufactured premium motorcycle racing components for over 15 years, with parts tested by professional race teams worldwide in Motocross, Supercross, Road Racing, and Flat Track competition. Each component is crafted to exacting standards using top-quality materials for riders who demand absolute performance and reliability.