Tire size?

[bruin350]

Question about the middle number...... EX: 25-10-12, ok 25 is diamiter, 12 is your rim and is the 10 like the width or something? And can you go bigger in that number if you keep the same rim size? Thanks.....

[klutchbuster400]

i thikn the middle is the width...............i dunno really.

[bbf]

middle number is the width and you can go up to a 12 wide on stock rims

[Chevy1500z71]

10 IS UR RIM SIZE, 12 IS WIDTH, AND 25 IS OVERALL SIZE OF THE TIRE