GUIDE for Tire and Corresponding Rim Sizes
My BSA buddy John Sommers helped me find the following information in an old Nicholson Bros. "Modern Motorcycle Mechanics" catalog. I know the last time I tried searching the internet to figure out how tire sizes correspond to rim sizes I struck out....and I therefore decided to share this information via my website hoping it may help others.
| Tire & Corresponding Rim Sizes |
|---|
| Rim Type |
Outside width |
Inner Width |
Normal Tire |
Alternate Size Range |
| WMO |
2-1/16" |
1.500" |
2.00-2.50" |
N/A |
| WM1 |
2-1/4" |
1.600" |
2.50-3.00" |
N/A |
| WM2 |
2-5/8" |
1.850" |
3.25-3.50" |
3.00-4.00" |
| WM3 |
3" |
2.156" |
4.00 |
3.50" |
See also Motorcycle Wheels
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