540
Tire information
sory weight , including heavy duty brakes , ride levelers , roof rack , heavy duty battery , and special trim .
. Radial ply tire A pneumatic tire in which the ply cords that extend to the beads are laid at substantially 90 degrees to the centerline of the tread .
. Recommended inflation pressure
The cold inflation pressure recommended by a vehicle manufacturer .
. Reinforced tire A tire designed to operate at higher loads and at higher inflation pressures than the corresponding standard tire .
. Rim A metal support for a tire or a tire and tube assembly upon which the tire beads are seated .
. Rim diameter Nominal diameter of the bead seat .
. Rim size designation Rim diameter and width .
. Rim type designation The industry of manufacturer ’ s designation for a rim by style or code .
. Rim width Nominal distance between rim flanges .
. Section width The linear distance between the exteriors of the sidewalls of an inflated tire , excluding elevations due to labeling , decoration , or protective bands .
. Sidewall That portion of a tire between the tread and bead .
. Sidewall separation The parting of the rubber compound from the cord material in the sidewall .
. Snow tire A tire that attains a traction index equal to or greater than 110 , compared to the ASTM E1136-93 Standard Reference Test Tire , when using the snow traction test as described in ASTM F-1805-00 , Standard Test Method for Single Wheel Driving Traction in a Straight Line on Snow-and Ice-Covered
Surfaces , and which is marked with an Alpine Symbol “ ” on at least one sidewall .
. Test rim The rim on which a tire is fitted for testing , and it may be any rim listed as appropriate for use with that tire .
. Tread That portion of a tire that comes into contact with the road .
. Tread rib A tread section running circumferentially around a tire .
. Tread separation Pulling away of the tread from the tire carcass .
. Treadwear indicators ( TWI ) The projections within the principal grooves designed to give a visual indication of the degrees of wear of the tread .
. Vehicle capacity weight The rated cargo and luggage load plus 150 lbs ( 68 kg ) times the vehicle ’ s designated seating capacity .