Maximum and Minimum Tire Width for a Given Rim Width
Common Tire Sizes | Backspacing | Rim Width | Known combinations | Race Tire Comparison | Other wheels that share the same bolt pattern

Rim Width
(inches)
Min Tire Width
(mm)
Max Tire Width
(mm)
6 152 218
6.5 165 236
7 178 254
7.5 191 272
8 203 290
8.5 216 308
9 229 327
9.5 241 345
10 254 363
Note

Rim width should run between 70% and 100% of the tread width. The closer to 100%, the more vertical the sidewall of the tire and the better the tire should handle. Some very short and stiff sidewall tires may work acceptably well at the lower percentages.