The all new hope dh stem has been introduced to meet the demands of this high stress part a solid billet of 2014 t6 aluminium is machined to create a hugely strong stem whilst every effort has been made to reduce unnecessary weight the amount of material in and around the steerer clamp bar clamp and mid sections has been increased and a 3rd bolt added to the steerer clamp the oversize bar clamp remains with 4 bolts but with a new design whereby 2 bolts are clamped first as a pair followed