A tyre includes a tread portion being provided with a pair of shoulder circumferential grooves on an outer surface thereof and a tread reinforcing layer disposed in the tread portion. The tread reinforcing layer includes a circumferential belt layer having a plurality of first reinforcing cords oriented along a tyre circumferential direction. The circumferential belt layer includes a pair of axially spaced first circumferential belt plies extending in radially inner regions of the pair of shoulder circumferential grooves. The pair of first circumferential belt plies is arranged apart from one another at a distance L equal to or more than 20 mm in a tyre axial direction.

A shear band for a tire includes a first belt layer extending circumferentially around the tire, a second belt layer extending circumferentially around the tire, and a shear band coupon radially interposed between the first belt layer and the second belt layer. The shear band coupon includes a first reinforcing ply radially adjacent the first belt layer, a third reinforcing ply radially adjacent the second belt layer, and a second reinforcing ply radially interposed between the first reinforcing ply and the second reinforcing ply. The first reinforcing ply includes a first three dimensional layer enclosed by a first fabric layer. The second reinforcing ply includes a second three dimensional layer enclosed by a second fabric layer. The third reinforcing ply includes a third three dimensional layer enclosed by a third fabric layer.

A shear band for a tire includes a first belt layer extending circumferentially around the tire, a second belt layer extending circumferentially around the tire, and a shear band radially interposed between the first belt layer and the second belt layer. The shear band includes a first reinforcing ply radially adjacent the first belt layer, a third reinforcing ply radially adjacent the second belt layer, and a second reinforcing ply radially interposed between the first reinforcing ply and the second reinforcing ply. The first reinforcing ply includes a first flattened, braided tube layer enclosed by a first rubber layer. The second reinforcing ply includes a second flattened, braided tube layer enclosed by a second rubber layer. The third reinforcing ply includes a third flattened, braided tube layer enclosed by a third rubber layer.

A pneumatic tire having a carcass and a belt reinforcing structure wherein the belt reinforcing structure is a composite belt structure having at least one radially inner spiral layer and at least one zigzag belt reinforcing structure located radially outward of said spiral layer. The zigzag belt width is preferably wider than the spiral layer. The spiral layer and at least one of the zigzag belts reinforcing structures is preferably formed of a merged cord of aramid and nylon.

A pneumatic tire having a carcass and a belt reinforcing structure wherein the belt reinforcing structure is a composite belt structure having at least one radially inner spiral layer and at least one zigzag belt reinforcing structure located radially outward of said spiral layer. The zigzag belt width is preferably wider than the spiral layer. The spiral layer and at least one of the zigzag belts reinforcing structures is preferably formed of a merged cord of aramid and nylon.

A pneumatic tyre 1 includes a carcass 6 extending between bead cores of bead portions via a tread portion 2 and sidewall portions, and a belt layer 7 arranged on an outer side in a tyre radial direction of the carcass 6 and inside of the tread portion 2. The pneumatic tyre 1 has a damping rubber body 30 arranged between the carcass 6 and the belt layer 7, and a noise damper 20 arranged on an inner cavity surface of the tread portion 2. A width W1 in a tyre axial direction of the damping rubber body 30 is in a range of from 60% to 130% of a width W2 in the tyre axial direction of the belt layer 7, and air permeability of the noise damper 20 measured in accordance with the Japanese Industrial Standard JIS-L1096 is 3.0 cm3/cm2/s or less.

A tire includes tire frame members including bead cores, a bead filler, an inner liner, side-wall rubber and cushion rubber; and an electronic unit provided at an interface of tire frame members, the tire further including: a carcass ply which extends from one bead core to another bead core and includes a rubber-coated reinforcement cord, a belt disposed on the outer side in the tire-radial direction of the carcass ply, in which the cushion rubber is disposed at an end of the carcass ply or at an end of the belt, in which the side-wall rubber is disposed on an outer side in a tire-width direction of the cushion rubber, and in which the electronic unit is disposed between the cushion rubber, and the bead filler or the side-wall rubber.

A radial tire includes a pair of bead cores, a carcass layer having one or more carcass plies extending from one of the bead cores to another of the bead cores, a tread portion circumferentially encircling the toroidal form of the carcass layer, and a belt structure. The belt structure includes a radially innermost main belt layer, a first, unreinforced cushion layer disposed on a radially outer side of the main belt layer, a second, unreinforced cushion layer disposed on a radially outer side of the first cushion layer, and a protective belt layer disposed between a radially outer side of the second cushion layer and a radially inner side of the tread portion. A radially outermost layer of the main belt layer has reinforcement cords with a specified diameter. The first cushion layer has a radial thickness between 0.5 and 4.0 times the specified diameter.

A radial tire includes a pair of bead cores, a carcass layer having one or more carcass plies extending from one of the bead cores to another of the bead cores in a toroidal form, a tread portion circumferentially encircling the toroidal form of the carcass layer, and a belt layer having a main belt layer, a first, unreinforced cushion layer disposed on a radially outer side of the main belt layer, a protective belt layer disposed on a radially outer side of the first cushion layer, and a second, unreinforced cushion layer disposed on a radially outer side of the protective belt layer and a radially inner side of the tread portion. The first, unreinforced cushion layer has a radial thickness between 2.0 mm and 10.0 mm.

An intersection point between an interface between a cap rubber layer and a base rubber layer and an outermost belt lateral reference line extending from an outer end of an outermost belt is positioned on an inner side in a tire axial direction than an intersection point between a normal line extending from an outer end of a widest belt to the tread surface and the outermost belt lateral reference line. An outer end of the cap rubber layer is terminated on an inner side in a tire radial direction than an outer end of the base rubber layer, and the outer end of the base rubber layer is positioned on an outer side in the tire axial direction than an end of the tread surface.