• Firestone Transforce AT

    Firestone Transforce AT
    LT245/75R17 121/118R E
    All-Season/All-Terrain

    OWL M+S

    Part number: 0055012050145400080

    Sizes
245
Section width 		75
Aspect ratio 		R
Construction 		17
Rim diameter 		121
Load index 		118
Load index dual 		R
Speed Rating 		E
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
 75 (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
 17 (inch) 		Diameter of rim seat supporting the tire bead.
Load index Load index
 121 (1450kg/3195lbs) 		Maximum load each tire is designed to carry when inflated to the recommended pressure.
Load index dual Load index dual
 118 (1320kg/2910lbs) 		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
 E (10 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
 205222 		Alpha-numeric designation assigned by a manufacturer to uniquely identify a tire product.