• Draining characteristic is raised with the tread pattern which adopts the straight line of the SONAR SX 608,205 /50R 1586 V +#9632,5 book, hydroplaning is held down, power is shown with travelling in the wet road surface. The noise due to the pitch pattern which was made by computer simulation was held down with the use of the high quality rubber compound, are promised. To the method which seeks comfortable driving the male be completed is.