Vortex 170ZK-45 VTX Aluminum Rear Sprocket 45T

The Vortex 170ZK-45 is a 45-tooth aluminum rear sprocket designed as a lightweight, high-performance replacement for motorcycle applications. Manufactured in the USA, Vortex sprockets are a trusted choice among racers and performance riders who demand precision and durability from their drivetrain components.

Constructed from aerospace-grade aluminum alloy, this sprocket is CNC-machined to exacting tolerances and features an anodized finish for corrosion resistance and long service life. The aluminum construction significantly reduces rotating mass compared to stock steel sprockets, contributing to improved acceleration response and overall handling.

Key Features:

• 45-tooth rear sprocket for precise gear ratio tuning
• Lightweight aerospace-grade aluminum alloy construction
• 100% CNC-machined in the USA for consistent quality
• Anodized finish for corrosion resistance and durability
• Reduces rotating mass compared to OEM steel sprockets
• Engineered for maximum strength-to-weight ratio
• Direct replacement fitment using OEM-style bolt pattern (170 carrier)

Whether you are tuning for track performance or replacing a worn sprocket on the street, the Vortex 170ZK-45 delivers the precision engineering and proven reliability that Vortex Racing is known for.