| 摘要 |
PROBLEM TO BE SOLVED: To enhance maneuver stability in high speed driving of a vehicle. SOLUTION: Plural block rows 4, 5, 6 are divided with circumferential direction grooves 1, 2, a tread side edge E, and a crossing groove 3, and a chamfered surface 8 for reducing the block height toward a full stroke side edge 7a at a full pedal stroke side end part in installed in a shoulder block 7, a chamfered surface 11 for reducing the block height toward a kick out side edge 9a at the kick out side end part is installed in other blocks 9, 10, and the forming regions of the chamfered surfaces 8, 11 are made 1/3 or less the circumferential length L of the block. |
