“升一级”“升两级”概念图解
举例说明：“升一级”意思是：将轮胎的扁平比从70降为60，同时轮辋的尺寸则需要加大1英寸。“升两级”意思是：将轮胎的扁平比从70降为50，同时轮毂的尺寸则需要加大2英寸。
| 70" |
65" |
60" |
55" |
50" |
45" |
40/35" |
| 165/70R13 |
175/65R13 |
175/60R14 |
185/55R14 |
|
|
|
| |
175/65R14 |
185/60R14 |
195/55R14 |
195/50R15 |
|
|
| 175/70R13 |
185/65R13 |
185/60R14 |
195/55R14 |
195/50R15 |
|
|
| |
185/65R14 |
195/60R14 |
195/55R15 |
195/50R16 |
205/45R16 |
|
| 185/70R13 |
185/65R14 |
195/60R14 |
195/55R15 |
205/50R15 |
205/45R16 |
|
| |
195/65R14 |
195/60R15 |
205/55R15 |
205/50R16 |
|
215/40R17 |
| 185/70R14 |
195/65R14 |
205/60R14 |
205/55R15 |
205/50R16 |
225/45R16 |
|
| |
195/65R15 |
205/60R15 |
205/55R16 |
215/50R16 |
215/45R17 |
225/40R17 |
| 195/70R14 |
205/65R14 |
215/60R14 |
215/55R15 |
225/50R15 |
215/45R17 |
225/40R17 |
| |
205/65R15 |
215/60R15 |
215/55R16 |
225/50R16 |
225/45R17 |
235/40R17 |
| 205/70R14 |
205/65R15 |
215/60R15 |
215/55R16 |
215/50R17 |
225/45R17 |
225/40R18 |
| |
215/65R15 |
225/60R15 |
225/55R16 |
235/50R16 |
235/45R17 |
235/40R18 |
| 205/70R15 |
215/65R15 |
225/60R15 |
225/55R16 |
|
235/45R17 |
235/40R18 |
| |
|
225/60R16 |
225/55R17 |
235/50R17 |
|
255/35R18 |
| 215/70R15 |
215/65R16 |
225/60R16 |
|
235/50R17 |
|
255/35R18 |
| |
|
235/60R16 |
235/55R17 |
|
245/45R18 |
265/35R18 |
