The most reasonably priced component used on the Hw125 2012 53b1 Europe Xenter 1l53b-300e1 24 Front Master Cylinder is the Bolt, Flange.
On this parts fiche the Washer, Plate(481) is the most specified component.
A sample from the products for the 24 Front Master Cylinder include: Bolt, Flange, Master Cylinder Su, Hose, Brake 1, Screw, Flat.