Vortex 170ZK-42 VTX Aluminum Rear Sprocket 42-Tooth

The Vortex 170ZK-42 is a 42-tooth VTX series aluminum rear sprocket designed for high-performance motorcycle applications. Precision-machined from lightweight aluminum alloy, this sprocket delivers an excellent balance of strength and weight savings over heavy OEM steel units.

Key Features:

• 42-Tooth rear sprocket configuration for optimized gear ratio tuning
• Lightweight aluminum construction reduces unsprung rotational mass for improved handling and throttle response
• CNC-machined from high-grade aluminum alloy for precise tooth geometry and consistent chain engagement
• Hard anodized finish for enhanced wear resistance and corrosion protection
• Vortex VTX series design with distinctive styling and race-proven durability
• Direct OEM-style fitment for straightforward installation

The Vortex 170ZK-42 is a popular upgrade for riders looking to fine-tune their motorcycle's power delivery and acceleration characteristics. Vortex is a trusted name in the powersports industry, manufacturing sprockets to exacting tolerances for both street and track use.