[leadin]Bike frames tend to be based on triangular geometry. But check out this crazy concoction.[/leadin]
The Sync Bicycle was designed to stand out from the crowd, and as you can tell from the photos, it accomplishes this mission.
Modeled after the shape of a bike rider in the tucked position, the Sync relies on curvy geometry to accomplish what most frames do with straight, or nearly straight, tubing.