Rim Width and Tyre Size Matching
Use the table and tools below to find the recommended tire width for your rim, or the suitable rim width for your tire.
Rim Width vs. Tire Width Table
| Rim Width (in) | Recommended Tire Width (mm) | Min Tire Width (mm) | Max Tire Width (mm) |
|---|---|---|---|
| 5.5 | 165~185 | 155 | 195 |
| 6 | 175~195 | 165 | 205 |
| 6.5 | 185~205 | 175 | 215 |
| 7 | 195~215 | 185 | 225 |
| 7.5 | 205~225 | 195 | 235 |
| 8 | 215~235 | 205 | 245 |
| 8.5 | 225~245 | 215 | 255 |
| 9 | 235~255 | 225 | 265 |
| 9.5 | 245~265 | 235 | 275 |
| 10 | 255~275 | 245 | 285 |
Quick Match Tool
Recommended tire width: 185~205 mm
Min: 175 mm, Max: 215 mm
Min: 175 mm, Max: 215 mm
FAQ & Knowledge
- Why must rim width and tire width match? Proper matching ensures safety, handling, and tire longevity. Too narrow or too wide can cause tire deformation or even safety hazards.
- What does the "J" mean in rim width? "J" refers to the shape of the rim bead seat, not the width itself. Most passenger cars use "J" type.
- Can I use a 195 tire on a 6.5J rim? Yes, 195mm is within the typical range for a 6.5J rim.
- What if I mismatch rim and tire width? You may experience poor handling, uneven tire wear, or even tire bead separation.
- Reference: ETRTO, JATMA, and manufacturer guidelines.
Visual Example
Recommended fit
Tire too wide for rim
Tire too narrow for rim