Vortex 642CZK-43 CAT5 Aluminum Rear Sprocket 43 Tooth

The Vortex 642CZK-43 is a lightweight CAT5 aluminum rear sprocket featuring 43 teeth, designed for high-performance street and track applications. This sprocket is precision-engineered for riders who demand quality and reliability from their drivetrain components.

Key Features:

• 100% CNC manufactured in the USA for precise tolerances and consistent quality
• Constructed from specially formulated 7075-T6 aluminum alloy per Vortex specifications
• CAT5 design provides excellent strength-to-weight ratio for reduced rotating mass
• Patented tooth design increases sprocket longevity and chain life
• Clear anodized finish protects against corrosion and wear
• Self-cleaning grooves between teeth prevent debris buildup
• 43 teeth for optimized gearing balance between acceleration and top speed

Vortex has been manufacturing premium racing components since 1995, with direct feedback from professional race teams worldwide. Each sprocket is manufactured to the tightest tolerances, ensuring smooth operation and extended service life that rivals many steel sprockets. The CAT5 series represents Vortex's commitment to combining lightweight construction with exceptional durability for serious riders.