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Old 09-03-2002, 09:56 AM   #11
Mike C
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Join Date: Dec 1999
Location: Austin, TX, USA
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It also allows you to run more PSI on the tire and still have even tire wire. With the narrow rim, the tread tends to bow up in the middle and you have to reduce pressure for even wear. This reduces the load the tire can carry. It also tendt to push the sidewall against the rim lip which means the load isn't carried on the bead in the proper area. A 10.5" tire should be on a 8-10" rim ideally, but the rim will be better protected offroading with an 8" width.
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