Patent ID: 6220320
Filing Date: 2001-04-24
Classification: B60C

Abstract:
A pneumatic motorcycle tire comprising; a zigzag circumferential groove, numerous sets of lug groove patterns, each set of lug groove patterns including a left lug groove pattern on one side of said zig zag circumferential groove and a right lug groove pattern on the other side of zig zag circumferential groove, one set of the left and right lug groove patterns being a reverse W-shape as a whole in a tire rolling directs, each of the left and right lug groove patterns of the reverse W-shape having a mid bending point which is arranged in a region of 35-65% of a tire half width TW from a tire central circumferential line, a first lug groove component extending from the mid bending point to a tire shoulder portion, a second lug groove component extending from the mid bending point to the tire central circumferential line, and a third lug groove component extending from said second lug groove component to the tire shoulder portion, an angle .alpha. of the first lug groove component extending from the mid bending point to the tire shoulder portion being 20-70.degree. with respect to the tire equatorial plane and an angle .beta. of the second lug groove component extending from the mid bending point to the tire central circumferential line being 20-70.degree. with respect to the tire equatorial plane wherein, the left lug groove pattern and the right lug groove pattern of the one set are offset in the circumferential direction.