The Trxus measure almost exactly 31". Most 31" tires from brands other than Interco measure around 30.5". They are a true 31" tire. Most of Interco's tires other than the TruXus run big. The a 31" TrXus in a 31" size is larger the a BFG AT or MT 31" by 0.5". Therefore, even though the Trxus are smaller than other Swampers, they are larger than most all of its competitors.

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