Maxxis MU09 Bighorn 2.0
26x9.00R12

It looks like the Bighorn but it's a lighter weight version primarily designed for racing applications but often found as factory ATV fitment. Very smooth riding.
6PR
Maxxis MU09 Bighorn
26/9R12
$284
Includes shipping, fitting and balancing

Tyre sizes available

12" rim

14" rim