10 Terms
Home > Industry/Domain > Automotive; Rubber > Tires
Tires
A ring-shaped covering fixed around the wheel-rim of an automobile that both protects it and provides a shock-absorbant cushion to increase vehicle performance and speed.
Industry: Automotive; Rubber
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Tires
Understeer
Automotive; Tires
The handling characteristic in which the front tyres break loose because they are running a larger slip angle than the rear tires. Also known as plowing.
Undertread
Automotive; Tires
Material between the bottom of the tread rubber and the top layer of steel belts; acts as a cushion that enhances comfort.
Unsprung weight
Automotive; Tires
The weight of the parts of a vehicle not supported by its springs, including wheels and tires, outboard brake assemblies, the rear axle assembly, suspension members, springs, shock absorbers and ...
Uniform tyre quality grading standards (UTQGS)
Automotive; Tires
A government-sponsored tyre information system that provides consumers with ratings (from AA to C) for a tire’s traction and temperature. Treadwear is normally rated from 60 to 700.
Valve
Automotive; Tires
A device that lets air in or out of a tire. It is fitted with a valve cap to keep out dirt and moisture, plus a valve core to prevent air from escaping.
Variable contact patch
Automotive; Tires
A system that maximises the contact patch area during cornering through a combination of asymmetrical tread patterns and underlying belts.
Variable integrated pitch
Automotive; Tires
The process of varying the size of tread blocks around the circumference of a tyre to minimise the noise generated by the tyre as it rolls.
