Rim width | Minimum tyre width |Ideal tyre width |Maximum tyre width
5,0 Inches |155 mm |165 or 175 mm |185 mm
5,5 Inches |165 mm |175 or 185 mm |195 mm
6,0 Inches |185 mm |195 or 205 mm |215 mm
7,0 Inches |195 mm |205 or 215 mm |225 mm
7,5 Inches | 205 mm |215 or 225 mm |235 mm
8,0 Inches |215 mm |225 or 235 mm |245 mm
8,5 Inches |225 mm |235 or 245 mm |255 mm
9,0 Inches |235 mm |245 or 255 mm |265 mm
9,5 Inches |245 mm |255 or 265 mm |275 mm
10,0 Inches |255 mm |265 or 275 mm |285 mm
10,5 Inches |265 mm |275 or 285 mm |295 mm
11,0 Inches |275 mm |285 or 295 mm |305 mm
11,5 Inches |285 mm |295 or 305 mm |315 mm
12,0 Inches |295 mm |305 or 315 mm |325 mm
12,5 Inches |305 mm |315 or 325 mm |335 mm
if you crash your insurance will go by a chart like that not what monkey in tyre garage says