Vortex 775AZOV4-42 Aluminum Rear Sprocket Anodized Sprockets - 42T

The Vortex 775AZOV4-42 is a 42-tooth aluminum rear sprocket designed as a high-performance replacement for sport and street motorcycles. Machined from lightweight 7075-T6 aluminum alloy and finished with a hard anodized coating, this sprocket delivers exceptional durability while significantly reducing unsprung rotational weight compared to a standard steel sprocket.

Key Features:

• 42-Tooth Configuration — provides tunable gearing for optimized acceleration or top-speed performance
• 7075-T6 Billet Aluminum Construction — aircraft-grade aluminum for maximum strength-to-weight ratio
• Hard Anodized Finish — resists corrosion and wear for extended service life
• CNC Machined — precision tolerances ensure smooth, consistent chain engagement
• Lightweight Design — reduces unsprung weight for improved throttle response and handling
• OEM-Style Bolt Pattern — direct bolt-on replacement requiring no modifications

Vortex Racing is a trusted name in motorcycle drivetrain components, supplying sprockets to professional race teams and street riders alike. The 775AZOV4-42 is engineered to exacting standards for riders who demand precision, reliability, and performance from their drivetrain. Always verify chain pitch and carrier compatibility before installation.