Vortex 438ZUV4-43 VTX Aluminum Rear Sprocket 43-Tooth

The Vortex 438ZUV4-43 is a lightweight aluminum rear sprocket engineered for performance-focused riders demanding precise power delivery and reduced rotational mass. Part of Vortex's proven VTX sprocket line, this rear sprocket is CNC-machined from high-grade 7075 aluminum alloy for an exceptional strength-to-weight ratio.

Key Features:

• 43-Tooth rear sprocket for optimized acceleration and gearing performance
• 438 chain pitch compatibility for correct chain fitment
• CNC-machined 7075 aluminum construction for lightweight durability
• Hard anodized finish for corrosion resistance and long service life
• ZUV4 carrier/hub pattern for precise, application-specific fitment
• Precision-cut teeth for smooth, consistent chain engagement
• Direct OEM-style bolt-on replacement — no modification required

Vortex sprockets are a trusted choice among track day enthusiasts and street riders alike. The 438ZUV4-43 delivers a reliable upgrade over stock steel sprockets with significant weight savings, helping improve throttle response and overall powertrain efficiency.