Aggressive shape matched with an extremely reliable carbon moncoque structure. A true union of force and function. Unit has its say by distinguishing itself with an extremely aggressive shape and an excellent rigidity. "No flex" means rigidity which also equals to comfort. Product design is functional, not only aesthetic. It is the result of studies on torsions and on the major stress points made through the Final Element Analysis (FEA).The weight is light enough for Road bike.