How to Determine Wheel Width for Fitment of Karrier ST225/75R15 Radial Trailer Tire

Question:

Hello, I notice that this tire is suited for a 6 1/2inch and 7inch rims. My question is...Is there an easy way to tell what width the rim is that I have on my Keystone Cougar 5th wheel? Kenda Karrier Tire ST225/75R15

asked by: Larry T

Expert Reply:

Most wheels will have their size stamped on the back (inward facing) side. The Karrier ST225/75R15 Radial Trailer Tire # AM10256 does fit 15" x 6", 15" x 6-1/2", and 15" x 7" wheels so if your wheel is stamped as 15" x 6" it will still fit.

If you don't have the size stamped on the wheel you can measure the width of the wheel which is taken from bead seat to bead seat (see attached photo). If you aren't able to remove the tire first then you can try sticking a ruler through the pilot hole of the wheel and try to determine where the bead seats are located on the ruler.

expert reply by: Jon G