Even though American V-Twin and custom motorcycle frame manufacturers spend millions of dollars on engineering and research to set up their products for the best handling characteristics and rider friendly positions, many owners still want their bikes to sit a little lower. There are a lot of reasons for doing this ranging from supposedly easier handling, to just giving their bike the "slammed" look. And some folks, if they are short legged, do it to make it easier to have their feet touch the ground.
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