2011 Subaru Tribeca Owner's Manual - Page 397

13-8 Consumer information and Reporting safety defects . Rim type designation . Tread rib The industry of manufacturer's designation for a rim by style or code. . Rim width A tread section running circumferentially around a tire. . Tread separation Nominal distance between rim flanges. . Section width Pulling away of the tread from the tire carcass. . Treadwear indicators (TWI) accessory weight, and normal occupant weight (distributed in accordance with Table 1 that is appended to the end of this section) and dividing by 2. . Wheel-holding fixture The linear distance between the exteriors of the sidewalls of an inflated tire, excluding elevations due to labeling, decoration, or protective bands. . Sidewall The projections within the principal grooves designed to give a visual indication of the degrees of wear of the tread. . Vehicle capacity weight The fixture used to hold the wheel and tire assembly securely during testing. That portion of a tire between the tread and bead. . Sidewall separation The rated cargo and luggage load plus 150 lbs (68 kg) times the vehicle's designated seating capacity. . Vehicle maximum load on the The parting of the rubber compound from the cord material in the sidewall. . Test rim tire 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 Load on an individual tire that is determined by distributing to each axle its share of the maximum loaded vehicle weight and dividing by 2. . Vehicle normal load on the tire That portion of a tire that comes into contact with the road. Load on an individual tire that is determined by distributing to each axle its share of the curb weight,