Tire Width (mm)
Profile (%)
Wheel Diameter (in.)
Current Size
select tire width
155
165
175
185
195
205
215
225
235
245
255
265
275
285
295
305
315
325
335
345
355
select sidewall profile
20
25
30
35
40
45
50
55
60
65
70
75
80
select wheel diameter
12
13
14
15
16
17
18
19
20
21
New Size
select tire width
155
165
175
185
195
205
215
225
235
245
255
265
275
285
295
305
315
325
335
345
355
select sidewall profile
20
25
30
35
40
45
50
55
60
65
70
75
80
select wheel diameter
12
13
14
15
16
17
18
19
20
21