Vortex 253CZB-42 CAT5 Aluminum Rear Sprocket 42T Black

The Vortex 253CZB-42 is a CAT5 series aluminum rear sprocket featuring a 42-tooth count in a satin black anodized finish. Engineered for performance street and racing applications, this sprocket delivers an ideal balance of light weight and durability for demanding riding conditions.

Key Features:

• 42-tooth rear sprocket for precise gearing tuning
• CAT5 series — 7075 T6 billet aluminum construction for reduced rotating mass
• Black anodized / PTFE black hardcoat finish bonds to the aluminum surface for enhanced durability and corrosion resistance
• 100% CNC machined in the USA to tight tolerances
• Vortex patented tooth design for extended sprocket longevity
• Specially formulated alloy per Vortex Racing specifications
• Reduces unsprung and rotating weight compared to OEM steel sprockets

Vortex Racing is a U.S.-based manufacturer with over 15 years of experience producing top-quality drivetrain components for motocross, supercross, road racing, and flat track. The 253CZB-42 is a direct-fit replacement sprocket designed to deliver improved acceleration response and drivetrain efficiency over stock gearing.