The Deda Elementi Pista Stem is constructed of CNCmachined 2024T3 aluminum alloy, and is designed for track use. 2024T3 aluminum alloy CNCmachined Titanium 6A14 V hardware Height 37mm, 125 grams Stem Angle 67 deg Color Black Bar Clamp Diameter 31.7 mm Steerer Tube 118 Threadless Intended Use Single Speed Weight 125.0 g