Tire Safety Information
Cold inflation pressure The pressure in the tire before you drive.
Cord The strands forming the plies in the tire.
Cord separation The parting of cords from adjacent rubber compounds.
Cracking Any parting within the tread, sidewall, or inner liner of the tire extending
to cord material.
CT A pneumatic tire with an inverted flange tire and rim system in which the rim is
designed with rim flanges pointed radially inward and the tire is designed to fit on
the underside of the rim in a manner that encloses the rim flanges inside the air
cavity of the tire.
Curb weight The weight of a motor vehicle with standard equipment including the
maximum capacity of fuel, oil, and coolant, and, if so equipped, air conditioning and
additional weight optional engine.
Extra load tire A tire designed to operate at higher loads and at higher inflation
pressures than the corresponding standard tire.
Groove The space between two adjacent tread ribs.
Gross Axle Weight Rating The maximum weight that any axle can support, as
published on the Certification / VIN label on the front left side of the trailer. Actual
weight determined by weighing each axle on a public scale, with the trailer
attached to the towing vehicle.
Gross Vehicle Weight Rating The maximum weight of the fully loaded trailer, as
published on the Certification / VIN label. Actual weight determined by weighing
trailer on a public scale, without being attached to the towing vehicle.
Hitch Weight The downward force exerted on the hitch ball by the trailer coupler.
Innerliner The layer(s) forming the inside surface of a tubeless tire that contains
the inflating medium within the tire.
Innerliner separation The parting of the innerliner from cord material in the
carcass.
Intended outboard sidewall The sidewall that contains a white-wall, bears white
lettering or bears manufacturer, brand, and/or model name molding that is higher
or deeper than the same molding on the other sidewall of the tire or the outward
facing sidewall of an asymmetrical tire that has a particular side that must always
face outward when mounted on a vehicle.
Light truck (LT) tire A tire designated by its manufacturer as primarily intended
for use on lightweight trucks or multipurpose passenger vehicles. May be used on
trailers.
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