This IMX metal spur gear is a factory replacement part designed for the Imex Shogun, Ninja, and Katana platforms. Upgrading from a plastic spur gear to a metal unit improves durability under load and extends the life of the drivetrain. It is a direct-fit replacement intended to restore or maintain stock drivetrain performance. Features: Metal construction for increased durability over plastic Direct-fit replacement for Shogun, Ninja, and Katana platforms Spur gear position in the drivetrain 7/7/26 cs