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Old 01-04-2010, 02:07 AM   #2 (permalink)
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Reading further into it, there's a good reason... they're saying that the higher pressure makes the tire more susceptible to bouncing up and away from bumps in the road, so useless spinning of the tire occurs.

This isn't such a concern on, say, cars, where there is alot more weight per unit area of contact patch of the tire.
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