Vortex 775AZGV4-42 Aluminum Rear Sprocket 42-Tooth

The Vortex 775AZGV4-42 is a 42-tooth aluminum rear sprocket engineered for performance-minded motorcycle riders and racers. Crafted from 7075 T6 billet aluminum, this lightweight sprocket significantly reduces rotating mass compared to OEM steel sprockets, resulting in crisper throttle response, improved acceleration, and more precise deceleration.

Key Features:

• 7075 T6 billet aluminum construction — aerospace-grade alloy for maximum strength-to-weight ratio
• 42-tooth rear sprocket — direct fitment for compatible models
• CNC machined in the USA — precision-manufactured to tight tolerances for consistent chain engagement
• Anodized finish — provides corrosion resistance and a clean, race-ready appearance
• Lightweight design — reduces rotating mass for improved acceleration, deceleration, and handling response
• Engineered to match OEM bolt patterns for straightforward installation

Vortex Racing is a U.S.-based manufacturer with over 15 years of experience producing top-quality motorcycle racing components. Their sprockets are trusted by professional race teams worldwide across Motocross, Supercross, Road Racing, and Flat Track disciplines. The 775AZGV4-42 delivers race-proven durability and performance for riders who demand the best from their drivetrain.