Vortex 170ZK-43 VTX Aluminum Rear Sprocket 43-Tooth

The Vortex 170ZK-43 is a 43-tooth aluminum rear sprocket from Vortex Racing's VTX series, engineered for performance motorcycle applications. Crafted from high-grade 7075 aluminum alloy, this lightweight sprocket delivers a significant weight reduction over OEM steel units without sacrificing durability or strength.

Key Features:

• 43-Tooth configuration for optimized acceleration and drive performance
• 7075 aluminum construction — lightweight, strong, and corrosion-resistant
• Hard anodized finish for extended wear life and surface protection
• CNC-machined to tight tolerances for precise chain engagement and smooth power delivery
• Lightening holes reduce unsprung rotating mass for improved handling response
• Direct OEM-replacement fitment with factory bolt pattern compatibility
• Compatible with standard 520, 525, or 530 pitch chain (verify chain pitch for specific application)

Vortex Racing is a trusted name in the motorcycle sprocket and chain market, producing OEM-quality and race-grade drivetrain components. The VTX series rear sprockets are a popular upgrade for sport bike, supersport, and track-day riders looking to shed weight from the drivetrain and fine-tune gearing ratios.