Deda Elementi Zero100 Servizio Corse Stems are made with the most advanced light alloy in a powerful design. Features titanium bolts for reduced weight. Titanium hardware 40mm height, 140 grams 2014 3D Superforged Stem Angle 82 deg Bar Clamp Diameter 31.7 Steerer Tube 118 Threadless Intended Use Road Weight 140.0 g