Deda Elementi Zero100 Stems are made with the most advanced light alloy in a powerful design.2014 3-D Superforged40mm height, 160 gramsItem SpecificationsColorBlackWeight160gIntended UseRoadBar Clamp Diameter31.7mmStem Angle82degStem Length100mmSteerer Tube1-1/8" ThreadlessDefined ColorBlackS.H.I.S. Clamp Diameter28.6