Pneumatic radial tire for motorcycle

Claim 1

In a radial tire for a motorcycle having a tread portion that includes a crown and rounded right and left shoulder portions, right and left side walls and bead cores and a carcass layer that wraps around said bead cores and extends from one tire bead to the other tire bead and belt reinforcing layers disposed over said carcass layer and extending from one shoulder portion to the other in the tread of the tire, the improvement comprising right and left cord reinforcing layers disposed axially outside of the main carcass layer, a first end of each cord layer overlapping and being stacked between the carcass layer and the lateral ends of the belt reinforcing layers in the shoulder portion of the tread of the tire for a distance of at least 10 mm, the cord layer extending down the side wall from said first end around the bead core on that side of the tire between the main carcass layer and the bead core and back up said side wall of the tire so that said cord layer overlaps the outside of that portion of said cord layer extending down from the shoulder, said cord layer extending back up the side wall to a point where it overlaps and is stacked between said first end of the cord layer and the ends of the belt reinforcing layers in said shoulder portion.