Feel the cool from Aprilia's new Shiver, in all its freak-out orange glory. The 750 cc V-twin is a sport bike, but it's an entirely new breed for the Italian manufacturer: a competitively priced, do-it-all middleweight standard that can be used to slice and dice canyons or ride slab to work. Los Angeles Times motorcycle columnist Susan Carpenter reviews the 2008 Aprilia SL 750 Shiver.