BMW Motorrad Boxer Engine Gets Reimagined With Geometric Design

American Revival Cycles have presented their take on BMW's Motorrad boxer engine via a custom titanium bike, dubbed the "Revival Birdcage," unveiled at the Handbuilt Show in Austin, Texas last week. The American motorcycle customizers -- which marks the second group in the world to build a prototype based on the Big Boxer -- were inspired by Ernst Hennes' "record-setting machines from the late 1920s and early 1930s," according to BMW. "We had already dreamed about this bike for years and in Dece...