Bridgestone's GREATEC is a tire with an ultralow aspect ratio that allows for replacing
dual-tire configurations on trucks and buses with single-tire configurations.
It is generally called a super single tire and has advantages as follows:
Two structures called “New Waved-Belt”and “Wind-Bead” enable a GREATEC super single tire
to have an ultralow aspect ratio of 45% that fits to large trucks and buses.