Stealth Bike - X-9 Nighthawk

X-9 Nighthawk is an experimental frame made out of sandwich panels with aramid honeycomb as a core, covered with carbon fiber skins.
X-9 NighthawkX-9 Nighthawk
Here is the picture of the aramid honeycomb:
X-9 Nighthawk
The frame structure was created from honeycomb sandwich panels which were water-jet cut, connected and laminated over by carbon fiber.