If your spare tires can be used on the Jeep and the trailer (it looks like they can), why do you need 2 spares? Free up that space, and mount it outside. I would understand the need if you are going really deep into the bush.
If your spare tires can be used on the Jeep and the trailer (it looks like they can), why do you need 2 spares? Free up that space, and mount it outside.