Cinelli mash stem 84 degreesthe mash stem is constructed from 6066 t6 aluminium alloy that has been cnc machined both inside and outside in order to obtain a variable wall thickness which gives optimal stiffness to weight ratio the mash stem plate features an etched lightning bolt with cinelli logos featured on the side features material body al 6066 t6 faceplate al 6061 clamp diameter bar 31 8mm clamp diameter steerer 118 stem angle 84 weight 150gbuy cinelli components from cha