TIRE FOR MOTORCYCLE FOR UNEVEN GROUND TRAVELING
FIG3 is an enlarged perspective view of a first crown block in FIG2
FIG3 shows an enlarged perspective view of one of the first crown blocks 10. As shown in FIG3, the first crown block 10 has a wheel tread 10a, a first side surface 11 disposed on one side of the wheel tread 10a in the tire circumferential direction, and a second side surface 12 disposed on the other side of the wheel tread 10a in the tire circumferential direction. In the embodiment, the first side surface 11 is disposed on a last-landing side of the wheel tread 10a in the rotational direction R. The second side surface 12 is disposed on a first-landing side of the wheel tread 10a in the rotational direction R.
enlarged perspective view
14
second edges second edge
12
second side surface
11
first side surface
10
first crown block first crown blocks
15
concave part
13
first edges first edge
['1. A tire (1) for a motorcycle for uneven ground traveling, the tire (1) comprising: a tread part (2), a plurality of crown blocks (10) being formed thereon, wherein at least one of the plurality of crown blocks (10) has: a wheel tread (10a), a first side surface (11) disposed at one side of the wheel tread (10a) in a tire circumferential direction, a first edge (13) arranged between the wheel tread (10a) and the first side surface (11), a concave part (15) that opens on the wheel tread (10a) and the first side surface (11), and a second edge (14) arranged between the wheel tread (10a) and the concave part (15), and wherein the wheel tread (10a) has at least one external corner part (16) in which an angle (θ1) between the first edge (13) and the second edge (14) is an acute angle, characterized in that the first side surface (11) is curved to be recessed toward the other side in the tire circumferential direction in a plan view of a tread.', '2. The tire (1) according to claim 1, wherein the at least one of the plurality of crown blocks (10) has a second side surface (12) disposed on the other side of the wheel tread (10a) in the tire circumferential direction, and the concave part (15) also opens on the second side surface (12).']