| 摘要 |
<p>PURPOSE:To reduce the fuel consumption of a vehicle by decreasing the rolling resistance of a tire. CONSTITUTION:The tread grounding width TW is set in the region of 0.55-0.70 to the tire maximum width SW, the rubber thickness D of the tread part 1 is set in the region of 0.55-0.08 to the tire height SH, and tandelta of the tread rubber is set in the region of 0.07-0.15. In an area where the rubber thickness of the side wall part 2 is set in the region of 1.0-2.5mm, the height of a bead filler 8 disposed on the outer periphery side of the bead core 5 is lowered than the height of a rubber chafer 9 disposed on the outside of the winding end area 4b of a carcass 4, and the rate of the volume of the bead filler 8 to the volume of the rubber chafer 9 is set in the region of 0.10-0.40.</p> |
