Vortex 642ZR-45 Rear Sprocket 45 Tooth Aluminum

The Vortex 642ZR-45 is a high-performance 45-tooth rear aluminum sprocket designed for serious riders and racers who demand precision and durability. This sprocket features Vortex's patented design with unique tooth geometry and color anodizing for both performance and visual appeal.

Key Features:

• 45-tooth rear sprocket configuration
• Lightweight CAT5 7075-T6 aluminum construction reduces rotating mass
• 100% CNC machined in the USA to precise tolerances
• Patented saber tooth groove design increases sprocket longevity
• Color anodized finish with contrasting silver machined accents
• Specially formulated alloy per Vortex specifications
• Gunk-clearing grooves between teeth for extended life

Vortex Racing sprockets are manufactured to extremely tight tolerances, resulting in a lifespan that rivals many steel sprockets while maintaining the weight advantage of aluminum. Trusted by professional race teams worldwide, Vortex sprockets deliver the performance and reliability needed for both street and track applications.