Bridgestone Turanza ER33 RFT 245/40ZR18 RFT BSW 140/A/A

245
Section width 		40
Aspect ratio 		Z
Speed Category 		R
Construction 		18
Rim diameter 		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
 40 (%) 		The aspect ratio determines the height of the sidewall and is a percentage of the section width.
Speed Category Speed Category
 Z 		The tire's speed capability:
VR - up to 210 km/h,
ZR - up to 240 km/h.
Construction Construction
 R (Radial) 		Radial construction tire.
Rim diameter Rim diameter
 18 (") 		Diameter of rim seat supporting the tire bead.
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
 090381 		Alpha-numeric designation assigned by a manufacturer to uniquely identify a tire product.