Can ST145R12 Radial Tires Replace 5.30-12 Bias Tires on Boat Trailer

Published 07/26/2023

Products Featured in This Question

Kenda Karrier S-Trail ST145/R12 Radial Tire w/ 12" Galvanized Spoke Wheel - 5 on 4-1/2 - LR D

(361)

$132.94

Kenda 5.30-12 Bias Trailer Tire with 12" Galvanized Wheel - 5 on 4-1/2 - Load Range D

(7214)

$115.38

Question:

I have a 5.30x12 Bias trailer and im wanting to get a radial/wheel combo that we can just put on the pontoon trailer and hit the road. What options do you have? I have been looking at Item # AM31202 and wondering if that is the same height as my kendra 5.30x12 tire we currently have?

asked by: Aaron

Expert Reply:

The difference between the # AM31202 and your current tires is going to be negligible. A Kenda 5.30-12 like the # AM30861 has an outer diameter of 21.9" and section width of 5.5". The Kenda ST145R12 Radial Trailer Tire actually has a smaller outer diameter of 21.3" and a section width of 5.7".

This means you will gain 0.3" of clearance on the top and lose 0.1" of clearance on the inside of the tire which won't make a difference. Upgrading to radial tires is definitely a good idea and what we recommend in most cases.

expert reply by: Robin H