VZR 2 track bike by Ralf Holleis
If you aren't already following @ralf_holleis on Instagram, you should do that now. He has been sharing quite a few details of his VZR 2 track bike which features carbon fiber tubes and intricate geometric 3D printed titanium lugs. Check out his website for more information about the design and construction process- RalfHolleis.com/VRZ-2.