Vortex 427ZKV4-40 VTX Aluminum Rear Sprocket 40T

The Vortex 427ZKV4-40 is a lightweight, high-performance aluminum rear sprocket from Vortex Racing's popular VTX series. Engineered for riders who demand precision craftsmanship and reduced rotating mass, this sprocket is CNC-machined from 7075 aluminum alloy for an optimal balance of strength and weight savings over a stock steel sprocket.

Key Features:

• 40-Tooth Configuration – Provides a strong balance between acceleration and top-end performance
• CNC-Machined 7075 Aluminum Construction – Delivers excellent strength-to-weight ratio for improved performance
• Hard Anodized Finish – Resists corrosion and wear for extended service life
• Precision Machined Sprocket Teeth – Ensures smooth, consistent chain engagement and reduced wear on the chain
• Lightening Cutouts – Strategically placed to minimize unsprung rotational weight without compromising structural integrity
• Direct OEM Replacement Fit – Bolt-on installation with no modifications required

The Vortex VTX series is a favorite among sport and street riders looking for a reliable performance upgrade. Whether used for everyday riding or track days, the 427ZKV4-40 rear sprocket is a proven upgrade that delivers tangible improvements in throttle response and overall drivetrain efficiency.