To provide a method for manufacturing a saddle base having a wire wired on an outer periphery of a bottom plate.

The method for manufacturing the saddle base 76 having the bottom plate 78 formed by molding a carbon prepreg by a molding recession part 101 of a saddle base assembling base 100, a plurality of wire support members 82 and the wire 83 includes: a step for fitting the bottom plate to the molding recession part of the saddle base assembling base; a step for forming a wire assembly 79 by supporting the wires on each of the wire support member; a step for performing positioning of the wire assembly relative to the bottom plate by fitting the wire support member and the wire to a wire support member positioning groove 102 and a wire positioning groove 103 formed on the saddle base assembling base; and a step for joining each of the wire support member to the bottom plate in the state that positioning of the wire assembly relative to the bottom plate is performed.