bias tyre sizes:
5.00-12
5.50-13
5.60-13
6.00-14
6.50-14
6.50-16
7.00-15
7.50-15
7.00-16
7.50-16
8.25-16
8.25-20
9.00-20
10.00-20
11.00-20
12.00-20
12.00-24
Bias truck tire