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Best Spare Tire Cover For An ST225/75R15 Trailer Tire  

Updated 06/09/2026 | Published 05/23/2026

Question:

Looking for a spare tire cover that will last more than twenty hours. Tire size is ST225/75R15. Thank you

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Expert Reply:

Welcome back Neil!

We definitely have options that will fit your ST225/75R15 tire and will last much longer than 20 hours. The following two are the ones I have heard good feedback on and are the ones I recommend most:

Bestop Small Tire Cover, 28" x 8" - Black Denim # B6102815
Adco Spare Tire Cover for 28" Diameter Tires - Black - Qty 1 # 290-1736

The Adco has a better warranty, but I'm not a huge fan of the glossy finish. The Bestop is the one I would go with. It's a little more expensive, but I think they are the most durable option on the market. It's pretty regularly used on Jeeps and other vehicles that have externally mounted spare tires, so I think it's the one to go with.

What kind of trailer are you wanting to use this on?

expert reply by:
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Lazer S
Bestop Small Tire Cover B6102815
Bestop Small Tire Cover B6102815
(click to enlarge)
Neil T. profile picture

Neil T.

6/5/2026

Thanks for your suggestion. This ios for a boat trailer spare tire cover. Appreciate it.

Lazer S. profile picture
Etrailer Expert

Lazer S.

6/9/2026

@NeilT You're very welcome! Just let me know if there is anything else I can help with! ^___^

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