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

The Vortex 170ZG-42 is a 42-tooth aluminum rear sprocket engineered for motorcycle riders who demand lightweight performance without sacrificing durability. 100% CNC-machined in the USA, this sprocket is crafted from a specially formulated aluminum alloy developed to Vortex's exacting specifications, delivering an optimal balance of strength and reduced weight.

Key Features:

• 42-Tooth aluminum construction for reduced rotating mass and improved acceleration response
• 100% CNC manufactured in the USA for precise concentricity and consistent quality
• Specially formulated alloy developed per Vortex specifications for maximum strength-to-weight ratio
• Anodized finish provides corrosion resistance and long-lasting appearance
• Vortex patented tooth design increases sprocket longevity over conventional sprocket profiles
• Lightening holes further reduce rotating mass for enhanced performance

Vortex rear sprockets are a proven choice among road racers and performance street riders. The lightweight aluminum construction significantly reduces unsprung and rotating mass compared to OEM steel sprockets, translating to sharper throttle response and improved handling dynamics. Designed and manufactured entirely in the United States, the 170ZG-42 reflects Vortex Racing's commitment to precision-engineered, race-proven drivetrain components.