All the locking levers and main castings have been redesigned to allow many ergonomic improvements as well as lightness and reliability * The 190CX incorporates the use of 100% carbon fiber tubes for the legs * Manfrotto incorporates new rounded legs which are 100% CARBON FIBER TUBES for improved rigidity and lightness. * The 190CX incorporates new leg angle selector levers that have been designed to improve ergonomics