Vortex 775AZKV4-42 VTX Aluminum Rear Sprocket 42-Tooth

The Vortex 775AZKV4-42 is a high-performance aluminum rear sprocket from Vortex Racing's VTX series. Engineered for sport and performance motorcycle applications, this sprocket delivers a lightweight alternative to steel while maintaining the durability and precision demanded by serious riders.

Key Features:

• 42-Tooth Count – Provides optimized gear ratio for acceleration and mid-range power delivery
• Lightweight Aluminum Construction – Significantly reduces unsprung and rotating mass compared to steel sprockets
• VTX Series Design – Vortex's proven performance sprocket line trusted by racers and enthusiasts
• Precision CNC Machined – Ensures consistent tooth geometry and fitment accuracy
• Hard Anodized Finish – Resists corrosion and wear for extended service life
• Direct OEM-Style Replacement – Bolt-on installation with correct bolt pattern and center bore

Vortex is a leading manufacturer of performance drivetrain components for motorcycles, with a reputation built on rigorous quality standards and race-proven designs. The 775AZKV4-42 rear sprocket is an excellent upgrade for riders looking to reduce rotating weight and improve throttle response without sacrificing reliability.