Vortex 438ZGV4-42 VTX Aluminum Rear Sprocket 42-Tooth

The Vortex 438ZGV4-42 is a 42-tooth aluminum rear sprocket from Vortex's popular VTX series, engineered for performance motorcycle applications. Precision-machined from high-grade aluminum alloy, this sprocket delivers an excellent strength-to-weight ratio, reducing unsprung rotational mass compared to steel alternatives for improved throttle response and acceleration.

Key Features:

• 42-tooth rear sprocket for tunable final drive gearing
• Precision-machined 6061 aluminum alloy construction for lightweight durability
• Hard anodized finish for corrosion resistance and extended service life
• CNC-machined tooth profile for smooth, precise chain engagement
• Lightening cuts reduce overall weight without sacrificing structural integrity
• Compatible with 428-pitch chain
• Direct OEM-replacement fitment — no modifications required

Vortex sprockets are a trusted choice among sport bike riders, racers, and enthusiasts seeking a performance upgrade over stock components. The VTX series rear sprocket is an ideal option for riders looking to fine-tune their bike's gearing for track days, commuting, or spirited street riding.