Fantastic quality billet clamps by Geco, we use these on our own bikes out of all that is available. They even come in their own case.
CNC machined from billet alluminium and ultralight.
Including:
upper plate
Lower plate
Steerer pin.
Designed for Fat bars.
You can also uprage to titanium fasteners for these for even more weight reduction! See options.
These are the clamps that we choose for our own bikes.