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Can Radials be Used Instead of Bias Ply on Trailer w/ ST175/80D13 Tires  


My trailer came with bias tires, which wear out fairly quickly. I would say I only drove 2,000 miles or under, over 4 years. The one tire is bald on one side. Is it possible to use radial trailer tires instead of bias and would they hold up better. THe tires that came with the trailer are: H188 ST175/80D13 with a maximum load of 1360 lbs. I noticed that after the trailer was driven from Illinois to Texas and then to my house by before I ever used it, that the treads were worn out already on the first set of tires and I replaced them.


Helpful Expert Reply:

Yes, it is possible to use radial tires instead of bias ply tires which came on your trailer.

A radial tire flexes more than a bias ply and will give you better ground contact, traction, stability, and tread wear. A radial tire will also normally run cooler than a bias ply tire, and since the number one enemy of trailer tires is excessive heat build-up, running cooler means that the tire will last longer.

I recommend taking a look at the Karrier ST175/80R13 Radial Trailer Tire, # AM10210. This tire does offer a higher load capacity of 1,610 lbs at 65 psi but always remember that increasing the capacity of the tire will not increase the capacity of the trailer or any other component in the set-up. You will always be bound by the one with the lowest capacity.

Please also keep in mind that you will want to keep your tires fully inflated, do not overload the trailer, and keep your speed to 81 mph or lower and you'll maximize the life of your tire.

expert reply by:
Leah S

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