A pneumatic tire for a motorcycle, comprising: a tread ; a pair of beads ; a carcass ; and a reinforcement layer , wherein the tread includes the tread surface which makes contact with the ground, each bead is positioned on the radially inner side of the tread , the carcass is bridged between one bead and the other bead , the reinforcement layer is laminated on the carcass on the radially inner side of the tread , each bead is provided with a core and an apex , and the apex extends from the core in a radially outward direction, and the outer edge of the apex is positioned on the radially outer side of the edge (TE) of the tread surface , wherein the carcass comprises a first ply and a second ply , the first ply is turned up around the core from the axially inner side toward the outer side, the turn-up structure divides the first ply into the main portion which extends from the equatorial plane toward the core and the turn-up portion which extends from the core in a radially outward direction, and the turn-up portion overlaps the reinforcement layer , an edge of the turn-up portion of first ply is sandwiched between reinforcement layer and a main portion of second ply , and the carcass further comprises a second ply , the second ply is turned up around the core from the axially inner side toward the outer side, the turn-up structure divides the second ply into the main portion that extends from the equatorial plane toward the core and the turn-up portion that extends from the core in a radially outward direction, characterized in that the radial length (Lpf) from the radially outer edge Pf of the flange of a rim for mounting the tire to the edge of the turn-up portion of the second ply is set at 5 mm or less. a tread ; a pair of beads ; a carcass ; and a reinforcement layer , wherein the tread includes the tread surface which makes contact with the ground, each bead is positioned on the radially inner side of the tread , the carcass is bridged between one bead and the other bead , the reinforcement layer is laminated on the carcass on the radially inner side of the tread , each bead is provided with a core and an apex , and the apex extends from the core in a radially outward direction, and the outer edge of the apex is positioned on the radially outer side of the edge (TE) of the tread surface , wherein the carcass comprises a first ply and a second ply , the first ply is turned up around the core from the axially inner side toward the outer side, the turn-up structure divides the first ply into the main portion which extends from the equatorial plane toward the core and the turn-up portion which extends from the core in a radially outward direction, and the turn-up portion overlaps the reinforcement layer , an edge of the turn-up portion of first ply is sandwiched between reinforcement layer and a main portion of second ply , and the carcass further comprises a second ply , the second ply is turned up around the core from the axially inner side toward the outer side, the turn-up structure divides the second ply into the main portion that extends from the equatorial plane toward the core and the turn-up portion that extends from the core in a radially outward direction, characterized in that the radial length (Lpf) from the radially outer edge Pf of the flange of a rim for mounting the tire to the edge of the turn-up portion of the second ply is set at 5 mm or less. <EOS>