Vortex 170V4-45 VTX V4 Aluminum Rear Sprocket 45-Tooth

The Vortex 170V4-45 is a 45-tooth aluminum rear sprocket from Vortex Racing's next-generation V4 Sprocket line. Building on decades of experience supplying drivetrain components to professional racing teams and performance riders worldwide, the V4 platform represents refined design, manufacturing, and material optimization for improved strength, weight balance, and consistency.

Key Features:

• 100% CNC manufactured in the USA to precise specifications for concentricity and durability
• Crafted from a specially formulated aerospace-grade aluminum alloy per Vortex specifications
• Lightening holes reduce rotating mass for improved throttle response and power delivery
• Silver anodized finish applied before cutting, resulting in the iconic two-tone machined look and corrosion resistance
• Vortex patented tooth design engineered to increase sprocket longevity
• 45-tooth rear sprocket configuration for tuned gear ratio performance

Aluminum sprockets are the preferred choice for road racing, track days, motocross, flat track, and high-performance street applications where weight savings translate directly into improved acceleration and throttle feel. The Vortex V4 series continues the brand's tradition of supplying professional racing teams and performance riders with precision-engineered drivetrain components manufactured entirely in the United States.