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Tire Descriptions

We distinguish three different systems of tire descriptions:


Pos. Attribute Possible values ​​and their meaning
Tyre dimensions Inch System Metric Alpha-numeric
Old
Standard
Standard/Low Section width (mm) / height (% of width)
2.50/2.75 3.10 80 / 90 MH90
3.00/3.25 3.60 90 / 90 MJ90
3.50 4.10 100 / 90 MM90
4.00 4.25/85 110 / 90
4.50/4.75 4.70 120 / 90 MR90
5.00 5.10 130 / 90 MT90
140 / 90 MU85
150 / 90 MV90
Wider tires are normally available only with a more lower profile (for example 180/55).
Structure or construction Code "–" = Cross Ply (Bias conventional)
"B" = Bias Belted
"R" = Radial Carcass
"VR" = Radial speed rated to over 210 km/h
"ZR" = Radial speed rated to over 240 km/h
Rim Ø (inches) In W&W range 15" to 23"
utilization with/without inner tube TT=Tube Type (tyre need a tube)
TL=Tubeless (tyre doesn't need a tube)
(additional marking)
Load Index
Index→kg
45 → 165
46 → 170
47 → 175
48 → 180
49 → 185
50 → 190
51 → 195
52 → 200
53 → 206
54 → 212
Index→kg
55 → 218
56 → 224
57 → 230
58 → 236
59 → 243
60 → 250
61 → 257
62 → 265
63 → 272
64 → 280
Index→kg
65 → 290
66 → 300
67 → 307
68 → 315
69 → 325
70 → 335
71 → 345
72 → 355
73 → 365
74 → 375
Index→kg
75 → 387
76 → 400
77 → 412
78 → 425
79 → 437
80 → 450
81 → 462
82 → 475
83 → 487
84 → 500
Index→kg
85 → 515
86 → 530
87 → 545
88 → 560
89 → 580
90 → 600
Velocity index
Index→km/h
G → 90
J → 100
K → 110
L → 120
Index→km/h
M → 130
N → 140
P → 150
Q → 160
Index→km/h
R → 170
S → 180
T → 190
U → 200
Index→km/h
H → 210
V → 240
W → 270
Y → 300