Vortex 840CZGV4-42 VTX Aluminum Rear Sprocket 42T

The Vortex 840CZGV4-42 is a 42-tooth aluminum rear sprocket from Vortex Racing's VTX series, engineered for performance motorcycle applications. Crafted from high-grade 7075-T6 aluminum alloy, this sprocket delivers a significant weight reduction over stock steel sprockets without sacrificing durability or precision.

Key Features:

• 42-tooth rear sprocket for optimized gear ratio tuning
• Lightweight 7075-T6 aluminum construction reduces unsprung and rotating mass
• Hard anodized finish for enhanced wear resistance and corrosion protection
• CNC-machined to tight tolerances for smooth, precise chain engagement
• Part of the Vortex VTX series, designed for street and track use
• Direct OEM replacement fitment — no modifications required

The Vortex VTX aluminum rear sprocket is a popular upgrade for riders looking to fine-tune acceleration, top speed, or overall drivetrain performance. The 840CZGV4 carrier pattern ensures a secure, properly aligned fit specific to compatible motorcycle models. Whether used for track days or spirited street riding, this sprocket provides the reliability and performance Vortex Racing is known for.