Velo Orange Happy Stem. A polished threadless stem with a 45 degree angle to keep your back and wallet happy. At least 37mm of steerer is required Does not require a stem cap. Longer compression bolt included Not compatible with carbon steerer tubes Specifications Weight203gS.H.I.S. Stem Clamp Diameter28.6Defined ColorSilverLength90mmStem Angle (deg)45degBar Clamp Diameter (mm)31.8mmColorPolished