Speedo Speedometer Hub Drive Gear for GY6 4 Stroke 125 150cc Moped Scooter.This drive gear is designed to fit standard GY6 engine models and connects to the speedometer hub to accurate speed readings.Compatible with common 125cc and 150cc scooter configurations, it supports of the speed measurement system.The gear installs directly onto the scooter's front wheel hub and interfaces with the speedometer or depending on model specifications.Constructed for durability in standard riding conditions, it serves as a functional replacement for worn or damaged components.