Front bumper

A front bumper, comprising:

• a bumper body exposed to outside of a vehicle;
• a bumper inner located inside the bumper body and configured to fix the bumper body to a body of the vehicle;
• a bolt fixing the bumper body to the bumper inner;
• and
• a first electronic device located between the bumper body and the bumper inner, wherein:
• the bumper inner includes
• an inner body facing at least a part of the first electronic device in a first direction, and
• at least one columnar portion located adjacent to the first electronic device in a second direction perpendicular to the first direction, and extending in the first direction from the inner body toward the bumper body,
• a length in the first direction of the at least one columnar portion is greater than a length in the first direction of the first electronic device,
• the front bumper is configured to be mounted on a front part of the vehicle,
• the bumper body includes a base protruding toward the inner body, wherein the base includes a boss receiving the bolt along the first direction,
• the at least one columnar portion includes a tip end facing the base along the first direction, wherein the tip end includes a through hole corresponding to the boss, and
• the bolt extends in the first direction, through the through hole, to fix the base to the at least one columnar portion.