2011 California Side Car FLHR - Road King, 2011 Harley-Davidson® Road King® The 2011 Harley-Davidson® Road King® FLHR is powered with a Twin Cam 96 engine styled to perfection with the performance you need for Harley® touring. The Road King® FLHR has a classic Hiawatha headlamp that is a defining feature of this bike. Big and commanding, the Harley® Road King® headlamp hearkens back to the Big Twins of the 60s. You get nothing less than the latest in materials and technology.