The FRC (folding road concept) is my travel bike system that enables a full size bike to pack into an airline checkable case. The weight penalty is just 150g and no special tools are required herunterladen. When the bike is assembled and the bolts are tightened, there is absolutely no performance difference from a fixed frame.
Jeffrey’s build, with Dura-ace Di2 and a few carbon parts, comes in at 14lbs (with alloy clincher wheels) google drive video. And more importantly, the custom geometry is designed to fit and ride just how he wants it.