Effective June 1st, 2015, the Hoosier A40S tire will no longer be legal on the rear axle in the UMP Modified & B-Modified divisions.

Then on July 1st, 2015, the Hoosier A40S tire will also not be allowed on the front wheels in the UMP Modified & B-Modified divisions.

The Hoosier A40 and H40 in sizes 26.5 and 27.5 will be the only tires allowed after July 1st, 2015 in those divisions.