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TWI: Tread wear indicator – a device, such as a triangle or a small Michelin Man icon, located where the tread meets the sidewall, and indicating the location of the raised wear bars in the tire tread channels – TWI is also used to refer to the raised wear bars themselves. VSB: Vertical serrated band; WSW: White sidewall
UTQG ratings on sidewall of Toyo Tires Proxes R39 tire UTQG ratings (top) and tire code (bottom) on sidewall of Continental ContiProContact tire. Uniform Tire Quality Grading, commonly abbreviated as UTQG, is a set of standards for passenger car tires that measures a tire's treadwear, temperature resistance and traction.
The word tread is often used casually to refer to the pattern of grooves molded into the rubber, but those grooves are correctly called the tread pattern, or simply the pattern. The grooves are not the tread, they are in the tread. This distinction is especially significant in the case of racing slicks, which have much tread but no grooves.
Tire manufacturers and car companies have mutually established standards for tread wear testing that include measurement parameters for tread loss profile, lug count, and heel-toe wear. [26] Wear bar and tread wear indicator on the snow tire tread Tread wear indicators (T.W.I.) Raised bars in the tread channels, which indicate that the tread is ...
A video captured a tornado ripping through a shopping center parking lot in California over the weekend. The Santa Cruz Sentinel reported that the tornado in Scotts Valley on Saturday caused ...
Tread worn away completely: especially when the wear on the outer rubber exposes the reinforcing threads within, the tire is said to be bald and must be replaced as soon as possible. Sometimes tires with worn tread are recapped, i.e. a new layer of rubber with grooves is bonded onto the outer perimeter of a worn tire. Since this bonding may ...
A storm system sweeping through the eastern states could produce localized flooding rainfall and strong winds that might down trees and knock out power, especially in New England.
State legislators in Washington state have a big budget challenge ahead of them. If they want to know why, they should look in the mirror. When the Evergreen State’s legislative session opens ...