On this parts fiche the Fork,gear Shift No.1 is the most specified component.
A sample from the products for the Gear Shifting (rm100b include: Fork,gear Shift No.2, Retainer,gear Shift Cam, Shaft,gear Shift, Shaft,gear Shift Fork.
The Gear Shifting (rm100b assembly is constructed from several parts from which the Cam,gear Shift is the most expensive.