Pneumatic tire

A pneumatic tire comprising:

• a tread portion;
• a pair of sidewall portions;
• a pair of bead portions;
• a carcass extending from one of the bead portions to another one of the bead portions;
• a first outer surface including an outer surface of the tread portion and outer surfaces of outer parts in a tire radial direction of the sidewall portions and corresponding to an outer surface of a portion of the tire vulcanized in a tread mold;
• second outer surfaces extending radially inward from the first outer surface and each forming the outer surface of a respective one of the sidewall portions other than the first outer surface and each corresponding to an outer surface of a portion of the tire vulcanized in a sidewall mold;
• and
• a boundary defined between the first outer surface and one of the second outer surfaces,
• wherein, at least one of the sidewall portions includes a first sidewall rubber arranged outside the carcass in a tire axial direction,
• the first sidewall rubber includes a base rubber layer, a different color rubber layer, and a barrier rubber layer,
• the base rubber layer is in contact with the carcass,
• the different color rubber layer has a color different from a basic color of a sidewall outer surface of the at least one of the sidewall portions,
• at least a part of the different color rubber layer is exposed in the sidewall outer surface of the at least one of the sidewall portions,
• the barrier rubber layer is between the different color rubber layer and the base rubber layer,
• the barrier rubber layer has a rubber compounding to suppress migration of rubber compounding agents on the base rubber layer side to the different color rubber layer,
• the barrier rubber layer has a thickness of 1.0 mm or less,
• the barrier rubber layer has an innermost end and an outmost end in the tire radial direction each exposed in an outer surface of the pneumatic tire without protruding from the outer surface of the at least one of the sidewall portions,
• the at least one of the sidewall portions has the boundary,
• the boundary includes a burr,
• in the at least one of the sidewall portions, the different color rubber layer is entirely arranged radially inside the boundary,
• in a tire meridian section, a distance from the boundary to an outmost end in the tire radial direction of the different color rubber layer is 10 mm or more and 30 mm or less,
• the different color rubber layer includes an exposed portion exposed in the outer surface of the at least one of the sidewall portions,
• the different color rubber layer has a thickness of 1.0 mm or more and 2.0 mm or less at a position away from the exposed portion by 10 mm outward in the tire radial direction,
• each of the bead portions includes a clinch rubber forming a bead portion outer surface of a respective one of the bead portions,
• the barrier rubber layer has a part exposed in the sidewall outer surface of the at least one of the sidewall portions, and
• a distance along the sidewall outer surface of the at least one of the sidewall portions from an inner end in the tire radial direction of the barrier rubber layer to the clinch rubber is 10 mm or more and 30 mm or less.