The burgtec enduro mk2 stem fully cnc machined it is the new bench mark in stiffness and lightness maintaining all of the rigidity of the mk1 stem but shaving off a significant amount of weight to bring you precision steering and control where you need it most we have machined out every conceivable piece on the stem to make it as light as possible without compromising any strength or stiffness anything more would be too much anything less wouldnrsquot be enough burgtec enduro