Patent ID: 7128113

Claim:
An ATV radial tire having a block pattern which comprises a plurality of blocks disposed on a tread surface at distances from one another, wherein said blocks include chamfered blocks, said chamfered blocks including a notch which comprises an inclined surface obtained by chamfering a corner between an upper surface of the block and a wall surface of the block on an outer side edge of the block which is directed outward of a vehicle when the tire is mounted on the vehicle, wherein said chamfered blocks are laterally long in which a length of the block in an axial direction of the tire is longer than a length of the block in a circumferential direction of the tire, said chamfered blocks comprise an outer side portion which is located outward of the vehicle, an inner side portion which is located inward of the vehicle and which is deviated in the circumferential direction of the tire with respect to said outer side portion, and a connecting portion which obliquely extends in the circumferential direction of the tire and connects said inner side portion and said outer side portion with each other; and an angle θ of said inclined surface of said notch is 30 to 60° with respect to the upper surface of the chamfered blocks, and a height h of said notch in its radial direction is 25 to 50% of a height H of the block of said chamfered block.