Rim replacing method for tire testing machine

A rim replacing method for a tire testing machine in which a pair of rims attached to upper and lower spindles and any of a plurality of pairs of rims loaded in a rim replacing device are replaced with each other, the method comprising:

• a selection step of selecting, from among the pair of rims and the plurality of pairs of rims, one pair of rims satisfying predetermined conditions relative to a tire conveyed into the tire testing machine as object rims;
• and
• a replacement step of replacing the pair of rims with the object rims if the rims loaded in the rim replacing device are selected as the object rims,
• wherein the predetermined conditions include a condition in which a diameter of bead portions of the tire conveyed into the tire testing machine corresponds to a diameter of the object rims, and a condition in which a measurement location of the lateral run-out in the tire conveyed into the tire testing machine is located at an outer side relative to an outer circumference of the object rims.