• Firestone F-580

    Firestone F-580
    165/70R14C 89/87R C
    All-Season/Highway Terrain

    BSW M+S

    Part number: 0055011710391600073

    Sizes
165
Section width 		70
Aspect ratio 		R
Construction 		14
Rim diameter 		89
Load index 		87
Load index dual 		R
Speed Rating 		C
Load range 		TL
TL/TT
Specs Code/Value Description
Section width Section width
 165 (mm) 		The distance between the outside of a tire sidewalls, not including any lettering or designs.
Aspect ratio Aspect ratio
 70 (percentage) 		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
 14 (inch) 		Diameter of rim seat supporting the tire bead.
Load index Load index
 89 (580kg/1280lbs) 		Maximum load each tire is designed to carry when inflated to the recommended pressure.
Load index dual Load index dual
 87 (545kg/1200lbs) 		Maximum load each tire is designed to carry when inflated to the recommended pressure in dual operation.
Speed Rating Speed Rating
 R (170km/h/106mph) 		Maximum speed at which a tire can roll with the load indicated in its load index.
Load range Load range
 C (6 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
 12805001 		Alpha-numeric designation assigned by a manufacturer to uniquely identify a tire product.