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The head tube of the conventional diamond bicycle frame is its largest compromise. We think we may have the solution.
The conflicting needs of rider position, main frame stiffness and proper support for the steering bearings all pull designers in different directions. It is a problem so difficult to solve that most designers simply chose to ignore it, leaving riders to put up with imprecise steering, short bearing life or excess weight.
By eliminating the heavy, structurally inefficient fork crown and carrying the fork blades all the way up to the top of the head tube we have produced a design that is stiffer and more efficient than conventional designs. The twin fork design also reduces the peak loads on the steering bearings, for substantially longer maintenance free life.