550
CONSUMER INFORMATION AND REPORTING SAFETY DEFECTS
. 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 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 that 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.