Pneumatic tire for running on rough terrain

摘要

A pneumatic tire for running on rough terrain is provided in the tread portion with crown blocks, middle blocks and shoulder blocks. Aspect ratios of the crown blocks are less than those of the middle blocks and shoulder blocks. The crown blocks include shifted blocks provided with a slot to form two subdivided block pieces circumferentially shifted from each other. The middle blocks and the shoulder blocks including cut blocks provided with a U-shaped cut opened at the top face and a side face of the block.