Consumer information and Reporting safety defects / Tire information 13-7 end of this section .
. Open splice Any parting at any junction of tread , sidewall , or innerliner that extends to cord material .
. Outer diameter The overall diameter of an inflated new tire .
. Overall width The linear distance between the exteriors of the sidewalls of an inflated tire , including elevations due to labeling , decorations , or protective bands or ribs .
. Passenger car tire A tire intended for use on passenger cars , multipurpose passenger vehicles , and trucks , that have a gross vehicle weight rating ( GVWR ) of 10,000 lbs ( 4,535 kg ) or less .
. Ply A layer of rubber-coated parallel cords .
. Ply separation A parting of rubber compound between adjacent plies .
. Pneumatic tire A mechanical device made of rubber , chemicals , fabric and steel or other materials , that , when mounted on an automotive wheel , provides the traction and contains the gas or fluid that sustains the load .
. Production options weight The combined weight of those installed regular production options weighing over 5.1 lbs ( 2.3 kg ) in excess of those standard items which they replace , not previously considered in curb weight or accessory 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
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