Parts such as the Front Brake Caliper: Piston, Seal,piston, Pad Comp,fr Brk (nas), Boot B are included in the Cb125tt 1990 (l) Usa Front Brake Caliper parts fiche.
With two applications this Pad Comp,fr Brk (nas) is the most specified part.
Of all the components used in this assembly the Caliper Assy,fr L is the most expensive.