The most expensive part in this assembly is the Brake Lever & Switch Assy.
The most reasonably priced component used on the Zr50ke 1981 (n) (e02 E16 E41) Handle Switch is the Screw 3x6.
Parts such as the Handle Switch: Screw 3x6, Screw, Bolt,lever, Lever are included in the Zr50ke 1981 (n) (e02 E16 E41) Handle Switch parts fiche.