Vortex 337CZK-42 Aluminum Rear Sprocket 42 Tooth CAT5 Black

The Vortex 337CZK-42 is a precision-engineered aluminum rear sprocket designed for high-performance motorcycles. This 42-tooth sprocket is manufactured from aerospace-grade CAT5 7075-T6 aluminum alloy, providing an excellent balance of strength and lightweight construction for optimal power transfer and reduced rotational mass.

Key Features:

• 42-tooth configuration for precise gearing customization
• CAT5 7075-T6 aluminum construction for superior strength-to-weight ratio
• Black hard-anodized finish for enhanced durability and corrosion resistance
• CNC-machined to exact tolerances for smooth, quiet operation
• Self-cleaning mud grooves help prevent debris buildup
• Drilled weight reduction holes for decreased rotational inertia
• Compatible with 520 pitch chain systems

Vortex sprockets are race-proven components trusted by professional riders worldwide. The hard-anodized surface treatment significantly extends wear life compared to untreated aluminum, while the precision manufacturing ensures perfect tooth engagement for consistent performance and extended chain life.