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Truck and BusRegional

121T

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Performance Overview

VEHICLE TYPE Truck and Bus
SEASON Summer
FAMILY —
USAGE Regional
LOAD SPEED INDEX  135, 143, 143, 143, 150
FUEL EFFICIENCY  C
WET GRIP  B - C
External Rolling Noise Class  A
Measured Value (dB)  68 - 69
Yokohama 121T tyre
Available sizes for 121T
Select from a range of sizes designed to deliver exceptional performance and handling
17.5"
19.5"
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121T
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Specification
Key specifications of 121T
Tyre sizes by wheel diameter
Series Size XL/RF OE Info EU LABEL GRADE
75 215/75R17.5 (135/133J) - - C B 69DB/A 3PMSF - View
75 235/75R17.5 (143/141J) - - C B 69DB/A 3PMSF - View
70 245/70R17.5 (143/141J) - - C B 69DB/A 3PMSF - View
215/75R17.5 (135/133J)
Series:
75
Size:
215/75R17.5
Load Index:
135/133
Speed Rating:
J
XL/RF:
-
OE INFO:
-
C
B
69DB/A
3PMSF
-
EU Label Grade:
View EU Label Grade
235/75R17.5 (143/141J)
Series:
75
Size:
235/75R17.5
Load Index:
143/141
Speed Rating:
J
XL/RF:
-
OE INFO:
-
C
B
69DB/A
3PMSF
-
EU Label Grade:
View EU Label Grade
245/70R17.5 (143/141J)
Series:
70
Size:
245/70R17.5
Load Index:
143/141
Speed Rating:
J
XL/RF:
-
OE INFO:
-
C
B
69DB/A
3PMSF
-
EU Label Grade:
View EU Label Grade
Series Size XL/RF OE Info EU LABEL GRADE
70 265/70R19.5 (143/141J) - - C B 69DB/A 3PMSF - View
70 285/70R19.5 (150/148J) - - C C 68DB/A 3PMSF - View
265/70R19.5 (143/141J)
Series:
70
Size:
265/70R19.5
Load Index:
143/141
Speed Rating:
J
XL/RF:
-
OE INFO:
-
C
B
69DB/A
3PMSF
-
EU Label Grade:
View EU Label Grade
285/70R19.5 (150/148J)
Series:
70
Size:
285/70R19.5
Load Index:
150/148
Speed Rating:
J
XL/RF:
-
OE INFO:
-
C
C
68DB/A
3PMSF
-
EU Label Grade:
View EU Label Grade
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Tyre size
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Instruction
The main information about your vehicle – such as brand, model, production year, and type-approved tyre sizes – can be found in your vehicle registration certificate.
brand
Model
Variant
Year
Tyre Size
Car brand
You can find your car brand in field D.1 of the registration certificate.
Find your car brand
Car model
You can find your car model in field D.2 of the registration certificate.
Find your Tyre size model
Car variant
You can find the specific body type or trim in field D.3 of the registration certificate.
Search your car brand
Year of model registration
You can find the production year in field B of the registration certificate - this indicates the date of first registration.
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Tyre size
You can find your tyre size printed on the sidewall of your current tyres.
Tyre size illustration
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Instruction
All tyres have sidewall markings that indicate the section width, aspect ratio, construction type, rim diameter, load index, and speed rating.
Width
Ratio
Diameter
Tyre width
This is the first number in your tyre size. It indicates the width of the tyre in millimetres, measured from sidewall to sidewall.
Tyre width
Ratio
This is the second number in your tyre size. It represents the height of the sidewall as a percentage of the tyre's width.
Tyre diameter
Diameter
This is the third number in your tyre size. It indicates the diameter of the wheel rim, measured in inches.
Tyre ratio
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