SR163+ Bearing Type Applicable to the driving wheel and tug of all types of vehicles in mixed road. Strong shoulder pattern block, solid middle pattern block, and wide and deep horizontal groove ensure maximum tear-resistance and cutting-resistance. The special tyre bead design makes it become stronger. The excellent pattern design makes the tyre have a longer life. Size: 12.00R20/11.00R20/10.00R20/9.00R20/8.25R20/8.25R16/7.50R16/7.00R16/6.50R16