• Firestone All Season

    Firestone All Season
    245/55R18 103T
    Passenger Car
    All-Season / Highway Terrain

    BSW

    info
    type
    season
    road_application
    ms_mark
    ll

    Part number: 0055059460660702361

    Sizes
245
Section width 		55
Aspect ratio 		R
Construction 		18
Rim diameter 		103
Load index 		T
Speed Rating 		SL
Load range 		TL
TL/TT
Specs Code/Value Description
Section width Section width
 245 (mm) 		The distance between the outside of a tire sidewalls, not including any lettering or designs.
Aspect ratio Aspect ratio
 55 (%) 		The aspect ratio determines the height of the sidewall and is a percentage of the section width.
Construction Construction
 R (Radial) 		Radial construction tire.
Rim diameter Rim diameter
 18 (") 		Diameter of rim seat supporting the tire bead.
Load index Load index
 103 (875kg/1930lbs) 		Maximum load each tire is designed to carry when inflated to the recommended pressure.
Speed Rating Speed Rating
 T (190km/h/118mph) 		Maximum speed at which a tire can roll with the load indicated in its load index.
Load range Load range
 SL (4 ply) 		Maximum load capacity the tire is engineered to handle at certain inflation pressures. It also define the tire toughness and the strength of the sidewall.
TL/TT TL/TT
 TL (Tubeless) 		Tire specifically designed for fitting to appropriate wheel rims without an inner tube.
Manufacturer part number Manufacturer part number
 003057,17760005 		Alpha-numeric designation assigned by a manufacturer to uniquely identify a tire product.